16166012 has 6 divisors (see below), whose sum is σ = 28290528. Its totient is φ = 8083004.

The previous prime is 16166009. The next prime is 16166041. The reversal of 16166012 is 21066161.

It is a super-2 number, since 2×16166012² = 522679887968288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020748 + ... + 2020755.

It is an arithmetic number, because the mean of its divisors is an integer number (4715088).

Almost surely, 2^16166012 is an apocalyptic number.

It is an amenable number.

16166012 is a deficient number, since it is larger than the sum of its proper divisors (12124516).

16166012 is a wasteful number, since it uses less digits than its factorization.

16166012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041507 (or 4041505 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16166012 is about 4020.6979493615. The cubic root of 16166012 is about 252.8527214389.

The spelling of 16166012 in words is "sixteen million, one hundred sixty-six thousand, twelve".