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164401336 = 231153101349
BaseRepresentation
bin10011100110010…
…01000010111000
3102110100110020101
421303021002320
5314041320321
624151405144
74034250121
oct1163110270
9373313211
10164401336
1184889180
12470837b4
13280a1bc8
1417b97048
15e676791
hex9cc90b8

164401336 has 64 divisors (see below), whose sum is σ = 347004000. Its totient is φ = 72384000.

The previous prime is 164401331. The next prime is 164401343. The reversal of 164401336 is 633104461.

It is a super-3 number, since 3×1644013363 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164401331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470890 + ... + 471238.

Almost surely, 2164401336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164401336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173502000).

164401336 is an abundant number, since it is smaller than the sum of its proper divisors (182602664).

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

164401336 is a wasteful number, since it uses less digits than its factorization.

164401336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 164401336 is about 12821.9084382942. The cubic root of 164401336 is about 547.8165066655.

Adding to 164401336 its reverse (633104461), we get a palindrome (797505797).

The spelling of 164401336 in words is "one hundred sixty-four million, four hundred one thousand, three hundred thirty-six".

Divisors: 1 2 4 8 11 22 44 53 88 101 106 202 212 349 404 424 583 698 808 1111 1166 1396 2222 2332 2792 3839 4444 4664 5353 7678 8888 10706 15356 18497 21412 30712 35249 36994 42824 58883 70498 73988 117766 140996 147976 203467 235532 281992 387739 406934 471064 775478 813868 1550956 1627736 1868197 3101912 3736394 7472788 14945576 20550167 41100334 82200668 164401336