166199232 has 112 divisors (see below), whose sum is σ = 479145600. Its totient is φ = 50641920.

The previous prime is 166199183. The next prime is 166199249. The reversal of 166199232 is 232991661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105007 + ... + 106577.

Almost surely, 2^166199232 is an apocalyptic number.

166199232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166199232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239572800).

166199232 is an abundant number, since it is smaller than the sum of its proper divisors (312946368).

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

166199232 is a wasteful number, since it uses less digits than its factorization.

166199232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1624 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 166199232 is about 12891.8281093102. The cubic root of 166199232 is about 549.8062480072.

The spelling of 166199232 in words is "one hundred sixty-six million, one hundred ninety-nine thousand, two hundred thirty-two".