166246916 has 24 divisors (see below), whose sum is σ = 318427200. Its totient is φ = 75317600.

The previous prime is 166246907. The next prime is 166246933. The reversal of 166246916 is 619642661.

It is a super-2 number, since 2×166246916² = 55276074159022112, which contains 22 as substring.

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, 7610 + ... + 19758.

It is an arithmetic number, because the mean of its divisors is an integer number (13267800).

Almost surely, 2^166246916 is an apocalyptic number.

It is an amenable number.

166246916 is a deficient number, since it is larger than the sum of its proper divisors (152180284).

166246916 is a wasteful number, since it uses less digits than its factorization.

166246916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12475 (or 12473 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 166246916 is about 12893.6773652826. The cubic root of 166246916 is about 549.8588243718.

The spelling of 166246916 in words is "one hundred sixty-six million, two hundred forty-six thousand, nine hundred sixteen".