166428262 has 64 divisors (see below), whose sum is σ = 341107200. Its totient is φ = 58798080.

The previous prime is 166428259. The next prime is 166428263. The reversal of 166428262 is 262824661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166428263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117414 + ... + 118822.

It is an arithmetic number, because the mean of its divisors is an integer number (5329800).

Almost surely, 2^166428262 is an apocalyptic number.

166428262 is an abundant number, since it is smaller than the sum of its proper divisors (174678938).

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

166428262 is a wasteful number, since it uses less digits than its factorization.

166428262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501.

The product of its digits is 55296, while the sum is 37.

The square root of 166428262 is about 12900.7078100390. The cubic root of 166428262 is about 550.0586846473.

The spelling of 166428262 in words is "one hundred sixty-six million, four hundred twenty-eight thousand, two hundred sixty-two".