166833372 has 24 divisors (see below), whose sum is σ = 389846800. Its totient is φ = 55529856.

The previous prime is 166833371. The next prime is 166833377. The reversal of 166833372 is 273338661.

It is a self number, because there is not a number n which added to its sum of digits gives 166833372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166833371) 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, 1297 + ... + 18312.

Almost surely, 2^166833372 is an apocalyptic number.

166833372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166833372 is an abundant number, since it is smaller than the sum of its proper divisors (223013428).

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

166833372 is a wasteful number, since it uses less digits than its factorization.

166833372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20325 (or 20323 counting only the distinct ones).

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

The square root of 166833372 is about 12916.3993434703. The cubic root of 166833372 is about 550.5046299688.

The spelling of 166833372 in words is "one hundred sixty-six million, eight hundred thirty-three thousand, three hundred seventy-two".