166204632 has 96 divisors (see below), whose sum is σ = 467691840. Its totient is φ = 49193760.

The previous prime is 166204627. The next prime is 166204667. The reversal of 166204632 is 236402661.

It is a self number, because there is not a number n which added to its sum of digits gives 166204632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3865203 + ... + 3865245.

It is an arithmetic number, because the mean of its divisors is an integer number (4871790).

Almost surely, 2^166204632 is an apocalyptic number.

166204632 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 166204632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233845920).

166204632 is an abundant number, since it is smaller than the sum of its proper divisors (301487208).

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

166204632 is an frugal number, since it uses more digits than its factorization.

166204632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 166204632 is about 12892.0375426075. The cubic root of 166204632 is about 549.8122025505.

The spelling of 166204632 in words is "one hundred sixty-six million, two hundred four thousand, six hundred thirty-two".