6556524646 has 32 divisors (see below), whose sum is σ = 11350679040. Its totient is φ = 2782260096.

The previous prime is 6556524613. The next prime is 6556524661. The reversal of 6556524646 is 6464256556.

It is a self number, because there is not a number n which added to its sum of digits gives 6556524646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2540985 + ... + 2543563.

It is an arithmetic number, because the mean of its divisors is an integer number (354708720).

Almost surely, 2^6556524646 is an apocalyptic number.

6556524646 is a deficient number, since it is larger than the sum of its proper divisors (4794154394).

6556524646 is a wasteful number, since it uses less digits than its factorization.

6556524646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308.

The product of its digits is 5184000, while the sum is 49.

The square root of 6556524646 is about 80972.3696454538. The cubic root of 6556524646 is about 1871.6496872539.

The spelling of 6556524646 in words is "six billion, five hundred fifty-six million, five hundred twenty-four thousand, six hundred forty-six".