166200844 has 12 divisors (see below), whose sum is σ = 295619968. Its totient is φ = 81738000.

The previous prime is 166200821. The next prime is 166200863. The reversal of 166200844 is 448002661.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 340332 + ... + 340819.

Almost surely, 2^166200844 is an apocalyptic number.

It is an amenable number.

166200844 is a deficient number, since it is larger than the sum of its proper divisors (129419124).

166200844 is a wasteful number, since it uses less digits than its factorization.

166200844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681216 (or 681214 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 166200844 is about 12891.8906293840. The cubic root of 166200844 is about 549.8080255622.

The spelling of 166200844 in words is "one hundred sixty-six million, two hundred thousand, eight hundred forty-four".