166622325870 has 192 divisors, whose sum is σ = 546508601856. Its totient is φ = 31959486720.

The previous prime is 166622325869. The next prime is 166622325871. The reversal of 166622325870 is 78523226661.

166622325870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166622325869) and next prime (166622325871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166622325871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 186114 + ... + 606533.

It is an arithmetic number, because the mean of its divisors is an integer number (2846398968).

Almost surely, 2^166622325870 is an apocalyptic number.

166622325870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166622325870 is an abundant number, since it is smaller than the sum of its proper divisors (379886275986).

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

166622325870 is a wasteful number, since it uses less digits than its factorization.

166622325870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792695 (or 792688 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 166622325870 in words is "one hundred sixty-six billion, six hundred twenty-two million, three hundred twenty-five thousand, eight hundred seventy".