164675992 has 32 divisors (see below), whose sum is σ = 334782000. Its totient is φ = 75487104.

The previous prime is 164675989. The next prime is 164675993. The reversal of 164675992 is 299576461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164675993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10183 + ... + 20809.

Almost surely, 2^164675992 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 164675992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167391000).

164675992 is an abundant number, since it is smaller than the sum of its proper divisors (170106008).

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

164675992 is a wasteful number, since it uses less digits than its factorization.

164675992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10795 (or 10791 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 164675992 is about 12832.6143867881. The cubic root of 164675992 is about 548.1214056054.

The spelling of 164675992 in words is "one hundred sixty-four million, six hundred seventy-five thousand, nine hundred ninety-two".