6654986624 has 64 divisors (see below), whose sum is σ = 15575852880. Its totient is φ = 2792294400.

The previous prime is 6654986561. The next prime is 6654986629. The reversal of 6654986624 is 4266894566.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 6654986624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654986629) 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, 163487 + ... + 200094.

Almost surely, 2^6654986624 is an apocalyptic number.

6654986624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6654986624 is an abundant number, since it is smaller than the sum of its proper divisors (8920866256).

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

6654986624 is a wasteful number, since it uses less digits than its factorization.

6654986624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363619 (or 363607 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 56.

The square root of 6654986624 is about 81578.1013753078. The cubic root of 6654986624 is about 1880.9722811431.

The spelling of 6654986624 in words is "six billion, six hundred fifty-four million, nine hundred eighty-six thousand, six hundred twenty-four".