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164950656 = 27313173191
BaseRepresentation
bin10011101010011…
…11001010000000
3102111101100202120
421311033022000
5314211410111
624211244240
74042025463
oct1165171200
9374340676
10164950656
1185123962
12472a9680
1328234c50
1417c9b2da
15e734406
hex9d4f280

164950656 has 128 divisors (see below), whose sum is σ = 477066240. Its totient is φ = 50196480.

The previous prime is 164950627. The next prime is 164950693. The reversal of 164950656 is 656059461.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863521 + ... + 863711.

It is an arithmetic number, because the mean of its divisors is an integer number (3727080).

Almost surely, 2164950656 is an apocalyptic number.

164950656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164950656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238533120).

164950656 is an abundant number, since it is smaller than the sum of its proper divisors (312115584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164950656 is a wasteful number, since it uses less digits than its factorization.

164950656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 164950656 is about 12843.3117224492. The cubic root of 164950656 is about 548.4259745811.

The spelling of 164950656 in words is "one hundred sixty-four million, nine hundred fifty thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 173 191 192 208 312 346 382 384 416 519 573 624 692 764 832 1038 1146 1248 1384 1528 1664 2076 2249 2292 2483 2496 2768 3056 4152 4498 4584 4966 4992 5536 6112 6747 7449 8304 8996 9168 9932 11072 12224 13494 14898 16608 17992 18336 19864 22144 24448 26988 29796 33043 33216 35984 36672 39728 53976 59592 66086 66432 71968 73344 79456 99129 107952 119184 132172 143936 158912 198258 215904 238368 264344 287872 317824 396516 429559 431808 476736 528688 793032 859118 863616 953472 1057376 1288677 1586064 1718236 2114752 2577354 3172128 3436472 4229504 5154708 6344256 6872944 10309416 12688512 13745888 20618832 27491776 41237664 54983552 82475328 164950656