166532672 has 14 divisors (see below), whose sum is σ = 330463398. Its totient is φ = 83266304.

The previous prime is 166532669. The next prime is 166532771. The reversal of 166532672 is 276235661.

It can be written as a sum of positive squares in only one way, i.e., 149426176 + 17106496 = 12224^2 + 4136^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300973 + ... + 1301100.

Almost surely, 2^166532672 is an apocalyptic number.

It is an amenable number.

166532672 is a deficient number, since it is larger than the sum of its proper divisors (163930726).

166532672 is an equidigital number, since it uses as much as digits as its factorization.

166532672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602085 (or 2602075 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 166532672 is about 12904.7538527474. The cubic root of 166532672 is about 550.1736883946.

The spelling of 166532672 in words is "one hundred sixty-six million, five hundred thirty-two thousand, six hundred seventy-two".