164831992 has 32 divisors (see below), whose sum is σ = 350355600. Its totient is φ = 72071424.

The previous prime is 164831981. The next prime is 164832001. The reversal of 164831992 is 299138461.

It is a happy number.

164831992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39733 + ... + 43684.

Almost surely, 2^164831992 is an apocalyptic number.

It is an amenable number.

164831992 is an abundant number, since it is smaller than the sum of its proper divisors (185523608).

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

164831992 is a wasteful number, since it uses less digits than its factorization.

164831992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83455 (or 83451 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 164831992 is about 12838.6912105557. The cubic root of 164831992 is about 548.2944321484.

The spelling of 164831992 in words is "one hundred sixty-four million, eight hundred thirty-one thousand, nine hundred ninety-two".