6642804616 has 32 divisors (see below), whose sum is σ = 14853479040. Its totient is φ = 2723136768.

The previous prime is 6642804599. The next prime is 6642804617. The reversal of 6642804616 is 6164082466.

It is not an unprimeable number, because it can be changed into a prime (6642804617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2577441 + ... + 2580016.

It is an arithmetic number, because the mean of its divisors is an integer number (464171220).

Almost surely, 2^6642804616 is an apocalyptic number.

It is an amenable number.

6642804616 is an abundant number, since it is smaller than the sum of its proper divisors (8210674424).

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

6642804616 is a wasteful number, since it uses less digits than its factorization.

6642804616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157493 (or 5157489 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 6642804616 is about 81503.4024811234. The cubic root of 6642804616 is about 1879.8238683642.

The spelling of 6642804616 in words is "six billion, six hundred forty-two million, eight hundred four thousand, six hundred sixteen".