166200020160 has 56 divisors (see below), whose sum is σ = 527685067056. Its totient is φ = 44320005120.

The previous prime is 166200020149. The next prime is 166200020167. The reversal of 166200020160 is 61020002661.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 166200020160.

It is not an unprimeable number, because it can be changed into a prime (166200020167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86561551 + ... + 86563470.

It is an arithmetic number, because the mean of its divisors is an integer number (9422947626).

Almost surely, 2^166200020160 is an apocalyptic number.

166200020160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166200020160 is an abundant number, since it is smaller than the sum of its proper divisors (361485046896).

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

166200020160 is a wasteful number, since it uses less digits than its factorization.

166200020160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173125041 (or 173125031 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 166200020160 in words is "one hundred sixty-six billion, two hundred million, twenty thousand, one hundred sixty".