6636152660 has 12 divisors (see below), whose sum is σ = 13935920628. Its totient is φ = 2654461056.

The previous prime is 6636152599. The next prime is 6636152689. The reversal of 6636152660 is 662516366.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3551683216 + 3084469444 = 59596^2 + 55538^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165903797 + ... + 165903836.

It is an arithmetic number, because the mean of its divisors is an integer number (1161326719).

Almost surely, 2^6636152660 is an apocalyptic number.

It is an amenable number.

6636152660 is an abundant number, since it is smaller than the sum of its proper divisors (7299767968).

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

6636152660 is a wasteful number, since it uses less digits than its factorization.

6636152660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331807642 (or 331807640 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 6636152660 is about 81462.5844176331. The cubic root of 6636152660 is about 1879.1961876070.

The spelling of 6636152660 in words is "six billion, six hundred thirty-six million, one hundred fifty-two thousand, six hundred sixty".