164501656 has 32 divisors (see below), whose sum is σ = 356276880. Its totient is φ = 70374400.

The previous prime is 164501651. The next prime is 164501657. The reversal of 164501656 is 656105461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164501651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53485 + ... + 56476.

Almost surely, 2^164501656 is an apocalyptic number.

It is an amenable number.

164501656 is an abundant number, since it is smaller than the sum of its proper divisors (191775224).

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

164501656 is a wasteful number, since it uses less digits than its factorization.

164501656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109995 (or 109991 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 164501656 is about 12825.8198958195. The cubic root of 164501656 is about 547.9279124455.

The spelling of 164501656 in words is "one hundred sixty-four million, five hundred one thousand, six hundred fifty-six".