166268552 has 16 divisors (see below), whose sum is σ = 312085440. Its totient is φ = 83045776.

The previous prime is 166268507. The next prime is 166268561. The reversal of 166268552 is 255862661.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708 + ... + 18435.

It is an arithmetic number, because the mean of its divisors is an integer number (19505340).

Almost surely, 2^166268552 is an apocalyptic number.

It is an amenable number.

166268552 is a deficient number, since it is larger than the sum of its proper divisors (145816888).

166268552 is a wasteful number, since it uses less digits than its factorization.

166268552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132 (or 22128 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 166268552 is about 12894.5163538614. The cubic root of 166268552 is about 549.8826769034.

The spelling of 166268552 in words is "one hundred sixty-six million, two hundred sixty-eight thousand, five hundred fifty-two".