166061200 has 30 divisors (see below), whose sum is σ = 398962994. Its totient is φ = 66424320.

The previous prime is 166061183. The next prime is 166061201. The reversal of 166061200 is 2160661.

It can be written as a sum of positive squares in 3 ways, for example, as 9511056 + 156550144 = 3084^2 + 12512^2 .

It is not an unprimeable number, because it can be changed into a prime (166061201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207177 + ... + 207976.

Almost surely, 2^166061200 is an apocalyptic number.

166061200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166061200 is an abundant number, since it is smaller than the sum of its proper divisors (232901794).

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

166061200 is a wasteful number, since it uses less digits than its factorization.

166061200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415171 (or 415160 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 166061200 is about 12886.4735284716. The cubic root of 166061200 is about 549.6539972528.

The spelling of 166061200 in words is "one hundred sixty-six million, sixty-one thousand, two hundred".