166823132 has 12 divisors (see below), whose sum is σ = 333646320. Its totient is φ = 71495616.

The previous prime is 166823089. The next prime is 166823161. The reversal of 166823132 is 231328661.

166823132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

166823132 is an admirable 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, 2978957 + ... + 2979012.

It is an arithmetic number, because the mean of its divisors is an integer number (27803860).

Almost surely, 2^166823132 is an apocalyptic number.

It is an amenable number.

166823132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166823132 is a wasteful number, since it uses less digits than its factorization.

166823132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957980 (or 5957978 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 166823132 is about 12916.0029420870. The cubic root of 166823132 is about 550.4933666692.

The spelling of 166823132 in words is "one hundred sixty-six million, eight hundred twenty-three thousand, one hundred thirty-two".