166372122 has 32 divisors (see below), whose sum is σ = 385961472. Its totient is φ = 46824624.

The previous prime is 166372109. The next prime is 166372127. The reversal of 166372122 is 221273661.

166372122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 166372122.

It is not an unprimeable number, because it can be changed into a prime (166372127) 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, 26748 + ... + 32375.

It is an arithmetic number, because the mean of its divisors is an integer number (12061296).

Almost surely, 2^166372122 is an apocalyptic number.

166372122 is an abundant number, since it is smaller than the sum of its proper divisors (219589350).

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

166372122 is a wasteful number, since it uses less digits than its factorization.

166372122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59202.

The product of its digits is 6048, while the sum is 30.

The square root of 166372122 is about 12898.5317769117. The cubic root of 166372122 is about 549.9968286319.

The spelling of 166372122 in words is "one hundred sixty-six million, three hundred seventy-two thousand, one hundred twenty-two".