166346552 has 16 divisors (see below), whose sum is σ = 322655400. Its totient is φ = 80305120.

The previous prime is 166346549. The next prime is 166346567. The reversal of 166346552 is 255643661.

It is a happy number.

It is a congruent number.

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, 358274 + ... + 358737.

Almost surely, 2^166346552 is an apocalyptic number.

It is an amenable number.

166346552 is a deficient number, since it is larger than the sum of its proper divisors (156308848).

166346552 is a wasteful number, since it uses less digits than its factorization.

166346552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717046 (or 717042 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 166346552 is about 12897.5405407388. The cubic root of 166346552 is about 549.9686505547.

The spelling of 166346552 in words is "one hundred sixty-six million, three hundred forty-six thousand, five hundred fifty-two".