6615642176016 has 20 divisors (see below), whose sum is σ = 17090408954832. Its totient is φ = 2205214058656.

The previous prime is 6615642176009. The next prime is 6615642176029. The reversal of 6615642176016 is 6106712465166.

It is a self number, because there is not a number n which added to its sum of digits gives 6615642176016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68912939286 + ... + 68912939381.

Almost surely, 2^{6615642176016} is an apocalyptic number.

It is an amenable number.

6615642176016 is an abundant number, since it is smaller than the sum of its proper divisors (10474766778816).

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

6615642176016 is a wasteful number, since it uses less digits than its factorization.

6615642176016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137825878678 (or 137825878672 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 6615642176016 in words is "six trillion, six hundred fifteen billion, six hundred forty-two million, one hundred seventy-six thousand, sixteen".