16166268 has 36 divisors (see below), whose sum is σ = 41124720. Its totient is φ = 5354496.

The previous prime is 16166257. The next prime is 16166273. The reversal of 16166268 is 86266161.

16166268 is a `hidden beast` number, since 16 + 16 + 626 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×16166268² = 522696442095648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4668 + ... + 7356.

Almost surely, 2^16166268 is an apocalyptic number.

16166268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16166268 is an abundant number, since it is smaller than the sum of its proper divisors (24958452).

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

16166268 is a wasteful number, since it uses less digits than its factorization.

16166268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2861 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 16166268 is about 4020.7297845043. The cubic root of 16166268 is about 252.8540561312.

The spelling of 16166268 in words is "sixteen million, one hundred sixty-six thousand, two hundred sixty-eight".