164077656 has 32 divisors (see below), whose sum is σ = 411611760. Its totient is φ = 54503552.

The previous prime is 164077651. The next prime is 164077709. The reversal of 164077656 is 656770461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164077651) 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, 4635 + ... + 18698.

Almost surely, 2^164077656 is an apocalyptic number.

It is an amenable number.

164077656 is an abundant number, since it is smaller than the sum of its proper divisors (247534104).

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

164077656 is a wasteful number, since it uses less digits than its factorization.

164077656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23635 (or 23631 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 164077656 is about 12809.2800734468. The cubic root of 164077656 is about 547.4567493617.

The spelling of 164077656 in words is "one hundred sixty-four million, seventy-seven thousand, six hundred fifty-six".