6642606504 has 32 divisors (see below), whose sum is σ = 16725996000. Its totient is φ = 2198271552.

The previous prime is 6642606497. The next prime is 6642606539. The reversal of 6642606504 is 4056062466.

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, 992259 + ... + 998930.

It is an arithmetic number, because the mean of its divisors is an integer number (522687375).

Almost surely, 2^6642606504 is an apocalyptic number.

It is an amenable number.

6642606504 is an abundant number, since it is smaller than the sum of its proper divisors (10083389496).

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

6642606504 is a wasteful number, since it uses less digits than its factorization.

6642606504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991337 (or 1991333 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 6642606504 is about 81502.1871117579. The cubic root of 6642606504 is about 1879.8051805062.

The spelling of 6642606504 in words is "six billion, six hundred forty-two million, six hundred six thousand, five hundred four".