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164928216 = 23323509587
BaseRepresentation
bin10011101010010…
…01101011011000
3102111100012222110
421311021223120
5314210200331
624210552320
74041603165
oct1165115330
9374305873
10164928216
1185109012
12472986a0
132822797b
1417c9306c
15e72c946
hex9d49ad8

164928216 has 64 divisors (see below), whose sum is σ = 431827200. Its totient is φ = 52393088.

The previous prime is 164928131. The next prime is 164928229. The reversal of 164928216 is 612829461.

164928216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 280675 + ... + 281261.

It is an arithmetic number, because the mean of its divisors is an integer number (6747300).

Almost surely, 2164928216 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 164928216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215913600).

164928216 is an abundant number, since it is smaller than the sum of its proper divisors (266898984).

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

164928216 is a wasteful number, since it uses less digits than its factorization.

164928216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1124 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 164928216 is about 12842.4380862825. The cubic root of 164928216 is about 548.4011040384.

The spelling of 164928216 in words is "one hundred sixty-four million, nine hundred twenty-eight thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 509 552 587 1018 1174 1527 1761 2036 2348 3054 3522 4072 4696 6108 7044 11707 12216 13501 14088 23414 27002 35121 40503 46828 54004 70242 81006 93656 108008 140484 162012 280968 298783 324024 597566 896349 1195132 1792698 2390264 3585396 6872009 7170792 13744018 20616027 27488036 41232054 54976072 82464108 164928216