166667232 has 48 divisors (see below), whose sum is σ = 438600960. Its totient is φ = 55416192.

The previous prime is 166667231. The next prime is 166667309. The reversal of 166667232 is 232766661.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166667231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40569 + ... + 44487.

It is an arithmetic number, because the mean of its divisors is an integer number (9137520).

Almost surely, 2^166667232 is an apocalyptic number.

166667232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166667232 is an abundant number, since it is smaller than the sum of its proper divisors (271933728).

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

166667232 is a wasteful number, since it uses less digits than its factorization.

166667232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375 (or 4367 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 166667232 is about 12909.9663826053. The cubic root of 166667232 is about 550.3218303782.

The spelling of 166667232 in words is "one hundred sixty-six million, six hundred sixty-seven thousand, two hundred thirty-two".