164995012 has 48 divisors (see below), whose sum is σ = 374093440. Its totient is φ = 61834752.

The previous prime is 164995009. The next prime is 164995021. The reversal of 164995012 is 210599461.

It is a super-4 number, since 4×164995012⁴ (a number of 34 digits) contains 4444 as substring.

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, 5013 + ... + 18844.

Almost surely, 2^164995012 is an apocalyptic number.

It is an amenable number.

164995012 is an abundant number, since it is smaller than the sum of its proper divisors (209098428).

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

164995012 is a wasteful number, since it uses less digits than its factorization.

164995012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23900 (or 23898 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 164995012 is about 12845.0384195611. The cubic root of 164995012 is about 548.4751282754.

The spelling of 164995012 in words is "one hundred sixty-four million, nine hundred ninety-five thousand, twelve".