166135692 has 24 divisors (see below), whose sum is σ = 388699696. Its totient is φ = 55228608.

The previous prime is 166135691. The next prime is 166135709. The reversal of 166135692 is 296531661.

166135692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 166135692.

It is not an unprimeable number, because it can be changed into a prime (166135691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14083 + ... + 23034.

Almost surely, 2^166135692 is an apocalyptic number.

166135692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166135692 is an abundant number, since it is smaller than the sum of its proper divisors (222564004).

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

166135692 is a wasteful number, since it uses less digits than its factorization.

166135692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37497 (or 37495 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 166135692 is about 12889.3635219122. The cubic root of 166135692 is about 549.7361731910.

The spelling of 166135692 in words is "one hundred sixty-six million, one hundred thirty-five thousand, six hundred ninety-two".