166226292 has 36 divisors (see below), whose sum is σ = 422312800. Its totient is φ = 55127952.

The previous prime is 166226239. The next prime is 166226299. The reversal of 166226292 is 292622661.

166226292 is a `hidden beast` number, since 1 + 6 + 6 + 22 + 629 + 2 = 666.

166226292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166226299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4438 + ... + 18765.

Almost surely, 2^166226292 is an apocalyptic number.

166226292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166226292 is an abundant number, since it is smaller than the sum of its proper divisors (256086508).

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

166226292 is a wasteful number, since it uses less digits than its factorization.

166226292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23412 (or 23407 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 166226292 is about 12892.8775686423. The cubic root of 166226292 is about 549.8360855893.

The spelling of 166226292 in words is "one hundred sixty-six million, two hundred twenty-six thousand, two hundred ninety-two".