166252912 has 40 divisors (see below), whose sum is σ = 375975936. Its totient is φ = 69733056.

The previous prime is 166252903. The next prime is 166252927. The reversal of 166252912 is 219252661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10528 + ... + 21055.

Almost surely, 2^166252912 is an apocalyptic number.

166252912 is the 10528-th pentagonal number.

It is an amenable number.

166252912 is an abundant number, since it is smaller than the sum of its proper divisors (209723024).

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

166252912 is a wasteful number, since it uses less digits than its factorization.

166252912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31645 (or 31639 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 166252912 is about 12893.9098802497. The cubic root of 166252912 is about 549.8654348480.

The spelling of 166252912 in words is "one hundred sixty-six million, two hundred fifty-two thousand, nine hundred twelve".