6660013104 has 100 divisors (see below), whose sum is σ = 19746314280. Its totient is φ = 2165840640.

The previous prime is 6660013093. The next prime is 6660013163. The reversal of 6660013104 is 4013100666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9534 + ... + 115805.

Almost surely, 2^6660013104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6660013104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9873157140).

6660013104 is an abundant number, since it is smaller than the sum of its proper divisors (13086301176).

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

6660013104 is a wasteful number, since it uses less digits than its factorization.

6660013104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125400 (or 125385 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6660013104 is about 81608.9033378099. The cubic root of 6660013104 is about 1881.4457251297.

The spelling of 6660013104 in words is "six billion, six hundred sixty million, thirteen thousand, one hundred four".