166802164 has 36 divisors (see below), whose sum is σ = 323166564. Its totient is φ = 75066112.

The previous prime is 166802161. The next prime is 166802173. The reversal of 166802164 is 461208661.

It can be written as a sum of positive squares in 2 ways, for example, as 86341264 + 80460900 = 9292^2 + 8970^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166802161) 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, 33654 + ... + 38290.

It is an arithmetic number, because the mean of its divisors is an integer number (8976849).

Almost surely, 2^166802164 is an apocalyptic number.

It is an amenable number.

166802164 is a deficient number, since it is larger than the sum of its proper divisors (156364400).

166802164 is a wasteful number, since it uses less digits than its factorization.

166802164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 166802164 is about 12915.1912103538. The cubic root of 166802164 is about 550.4703018652.

The spelling of 166802164 in words is "one hundred sixty-six million, eight hundred two thousand, one hundred sixty-four".