166749334170 has 32 divisors (see below), whose sum is σ = 401110047360. Its totient is φ = 44365195200.

The previous prime is 166749334123. The next prime is 166749334177. The reversal of 166749334170 is 71433947661.

It is a super-2 number, since 2×166749334170² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166749334177) 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, 6317481 + ... + 6343820.

It is an arithmetic number, because the mean of its divisors is an integer number (12534688980).

Almost surely, 2^166749334170 is an apocalyptic number.

166749334170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166749334170 is an abundant number, since it is smaller than the sum of its proper divisors (234360713190).

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

166749334170 is a wasteful number, since it uses less digits than its factorization.

166749334170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12661750.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 166749334170 in words is "one hundred sixty-six billion, seven hundred forty-nine million, three hundred thirty-four thousand, one hundred seventy".