6660662624604 has 72 divisors (see below), whose sum is σ = 16991964990000. Its totient is φ = 2199745050624.

The previous prime is 6660662624507. The next prime is 6660662624723. The reversal of 6660662624604 is 4064262660666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157445047 + ... + 157487345.

It is an arithmetic number, because the mean of its divisors is an integer number (235999513750).

Almost surely, 2^{6660662624604} is an apocalyptic number.

It is an amenable number.

6660662624604 is an abundant number, since it is smaller than the sum of its proper divisors (10331302365396).

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

6660662624604 is a wasteful number, since it uses less digits than its factorization.

6660662624604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82547 (or 82542 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 54.

The spelling of 6660662624604 in words is "six trillion, six hundred sixty billion, six hundred sixty-two million, six hundred twenty-four thousand, six hundred four".