166916750852 has 12 divisors (see below), whose sum is σ = 292113357900. Its totient is φ = 83455791456.

The previous prime is 166916750843. The next prime is 166916750881. The reversal of 166916750852 is 258057619661.

It can be written as a sum of positive squares in 2 ways, for example, as 156599067076 + 10317683776 = 395726^2 + 101576^2 .

It is a super-2 number, since 2×166916750852² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496823 + ... + 762014.

It is an arithmetic number, because the mean of its divisors is an integer number (24342779825).

Almost surely, 2^166916750852 is an apocalyptic number.

It is an amenable number.

166916750852 is a deficient number, since it is larger than the sum of its proper divisors (125196607048).

166916750852 is a wasteful number, since it uses less digits than its factorization.

166916750852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291990 (or 1291988 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 166916750852 in words is "one hundred sixty-six billion, nine hundred sixteen million, seven hundred fifty thousand, eight hundred fifty-two".