166163900010 has 16 divisors (see below), whose sum is σ = 398793360096. Its totient is φ = 44310373328.

The previous prime is 166163899991. The next prime is 166163900041. The reversal of 166163900010 is 10009361661.

It is a super-2 number, since 2×166163900010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2769398304 + ... + 2769398363.

It is an arithmetic number, because the mean of its divisors is an integer number (24924585006).

Almost surely, 2^166163900010 is an apocalyptic number.

166163900010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166163900010 is an abundant number, since it is smaller than the sum of its proper divisors (232629460086).

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

166163900010 is a wasteful number, since it uses less digits than its factorization.

166163900010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538796677.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 166163900010 in words is "one hundred sixty-six billion, one hundred sixty-three million, nine hundred thousand, ten".