6660624939996 has 24 divisors (see below), whose sum is σ = 15557869474560. Its totient is φ = 2217863844592.

The previous prime is 6660624939949. The next prime is 6660624940019. The reversal of 6660624939996 is 6999394260666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293046756 + ... + 293069483.

It is an arithmetic number, because the mean of its divisors is an integer number (648244561440).

Almost surely, 2^{6660624939996} is an apocalyptic number.

It is an amenable number.

6660624939996 is an abundant number, since it is smaller than the sum of its proper divisors (8897244534564).

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

6660624939996 is a wasteful number, since it uses less digits than its factorization.

6660624939996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586117193 (or 586117191 counting only the distinct ones).

The product of its (nonzero) digits is 1224440064, while the sum is 75.

The spelling of 6660624939996 in words is "six trillion, six hundred sixty billion, six hundred twenty-four million, nine hundred thirty-nine thousand, nine hundred ninety-six".