166240746 has 24 divisors (see below), whose sum is σ = 411644064. Its totient is φ = 47497320.

The previous prime is 166240733. The next prime is 166240751. The reversal of 166240746 is 647042661.

166240746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166240746.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659560 + ... + 659811.

It is an arithmetic number, because the mean of its divisors is an integer number (17151836).

Almost surely, 2^166240746 is an apocalyptic number.

166240746 is an abundant number, since it is smaller than the sum of its proper divisors (245403318).

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

166240746 is a wasteful number, since it uses less digits than its factorization.

166240746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319386 (or 1319383 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 166240746 is about 12893.4380985058. The cubic root of 166240746 is about 549.8520218979.

The spelling of 166240746 in words is "one hundred sixty-six million, two hundred forty thousand, seven hundred forty-six".