166111170 has 32 divisors (see below), whose sum is σ = 399947328. Its totient is φ = 44154048.

The previous prime is 166111163. The next prime is 166111171. The reversal of 166111170 is 71111661.

It is a self number, because there is not a number n which added to its sum of digits gives 166111170.

It is not an unprimeable number, because it can be changed into a prime (166111171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (12498354).

Almost surely, 2^166111170 is an apocalyptic number.

166111170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166111170 is an abundant number, since it is smaller than the sum of its proper divisors (233836158).

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

166111170 is a wasteful number, since it uses less digits than its factorization.

166111170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17794.

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 166111170 is about 12888.4122373549. The cubic root of 166111170 is about 549.7091244302.

The spelling of 166111170 in words is "one hundred sixty-six million, one hundred eleven thousand, one hundred seventy".