6616560604 has 36 divisors (see below), whose sum is σ = 12152400624. Its totient is φ = 3152129024.

The previous prime is 6616560539. The next prime is 6616560611. The reversal of 6616560604 is 4060656166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25745244 + ... + 25745500.

It is an arithmetic number, because the mean of its divisors is an integer number (337566684).

Almost surely, 2^6616560604 is an apocalyptic number.

It is an amenable number.

6616560604 is a deficient number, since it is larger than the sum of its proper divisors (5535840020).

6616560604 is an frugal number, since it uses more digits than its factorization.

6616560604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 6616560604 is about 81342.2436621956. The cubic root of 6616560604 is about 1877.3450342575.

The spelling of 6616560604 in words is "six billion, six hundred sixteen million, five hundred sixty thousand, six hundred four".