6556612508 has 12 divisors (see below), whose sum is σ = 11511448872. Its totient is φ = 3267627120.

The previous prime is 6556612493. The next prime is 6556612529. The reversal of 6556612508 is 8052166556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668403 + ... + 2670858.

It is an arithmetic number, because the mean of its divisors is an integer number (959287406).

Almost surely, 2^6556612508 is an apocalyptic number.

It is an amenable number.

6556612508 is a deficient number, since it is larger than the sum of its proper divisors (4954836364).

6556612508 is a wasteful number, since it uses less digits than its factorization.

6556612508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339572 (or 5339570 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The square root of 6556612508 is about 80972.9121867307. The cubic root of 6556612508 is about 1871.6580476867.

The spelling of 6556612508 in words is "six billion, five hundred fifty-six million, six hundred twelve thousand, five hundred eight".