166504052 has 48 divisors (see below), whose sum is σ = 362480832. Its totient is φ = 65748480.

The previous prime is 166504043. The next prime is 166504097. The reversal of 166504052 is 250405661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163 + ... + 18285.

It is an arithmetic number, because the mean of its divisors is an integer number (7551684).

Almost surely, 2^166504052 is an apocalyptic number.

It is an amenable number.

166504052 is an abundant number, since it is smaller than the sum of its proper divisors (195976780).

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

166504052 is a wasteful number, since it uses less digits than its factorization.

166504052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17168 (or 17166 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 166504052 is about 12903.6449114194. The cubic root of 166504052 is about 550.1421693081.

It can be divided in two parts, 16650 and 4052, that added together give a palindrome (20702).

The spelling of 166504052 in words is "one hundred sixty-six million, five hundred four thousand, fifty-two".