166426120 has 32 divisors (see below), whose sum is σ = 427953600. Its totient is φ = 57060288.

The previous prime is 166426081. The next prime is 166426133. The reversal of 166426120 is 21624661.

166426120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296910 + ... + 297469.

It is an arithmetic number, because the mean of its divisors is an integer number (13373550).

Almost surely, 2^166426120 is an apocalyptic number.

166426120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166426120 is an abundant number, since it is smaller than the sum of its proper divisors (261527480).

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

166426120 is a wasteful number, since it uses less digits than its factorization.

166426120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594397 (or 594393 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 166426120 is about 12900.6247910712. The cubic root of 166426120 is about 550.0563248102.

The spelling of 166426120 in words is "one hundred sixty-six million, four hundred twenty-six thousand, one hundred twenty".