166570275638106 has 24 divisors (see below), whose sum is σ = 374269014397824. Its totient is φ = 55523425212540.

The previous prime is 166570275638101. The next prime is 166570275638219. The reversal of 166570275638106 is 601836572075661.

166570275638106 is a `hidden beast` number, since 1 + 6 + 6 + 57 + 0 + 2 + 7 + 563 + 8 + 10 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (166570275638101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171368595850 + ... + 171368596821.

It is an arithmetic number, because the mean of its divisors is an integer number (15594542266576).

Almost surely, 2^{166570275638106} is an apocalyptic number.

166570275638106 is an abundant number, since it is smaller than the sum of its proper divisors (207698738759718).

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

166570275638106 is an equidigital number, since it uses as much as digits as its factorization.

166570275638106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342737192688 (or 342737192676 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 63.

The spelling of 166570275638106 in words is "one hundred sixty-six trillion, five hundred seventy billion, two hundred seventy-five million, six hundred thirty-eight thousand, one hundred six".