166686852200 has 48 divisors (see below), whose sum is σ = 422778476160. Its totient is φ = 60613400000.

The previous prime is 166686852197. The next prime is 166686852209. The reversal of 166686852200 is 2258686661.

166686852200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (166686852209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37881176 + ... + 37885575.

It is an arithmetic number, because the mean of its divisors is an integer number (8807884920).

Almost surely, 2^166686852200 is an apocalyptic number.

166686852200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166686852200 is an abundant number, since it is smaller than the sum of its proper divisors (256091623960).

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

166686852200 is a wasteful number, since it uses less digits than its factorization.

166686852200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75766778 (or 75766769 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 166686852200 in words is "one hundred sixty-six billion, six hundred eighty-six million, eight hundred fifty-two thousand, two hundred".