6615660005106 has 64 divisors (see below), whose sum is σ = 13547791095552. Its totient is φ = 2153130964992.

The previous prime is 6615660005081. The next prime is 6615660005173. The reversal of 6615660005106 is 6015000665166.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40652356 + ... + 40814768.

It is an arithmetic number, because the mean of its divisors is an integer number (211684235868).

Almost surely, 2^{6615660005106} is an apocalyptic number.

6615660005106 is an abundant number, since it is smaller than the sum of its proper divisors (6932131090446).

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

6615660005106 is a wasteful number, since it uses less digits than its factorization.

6615660005106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163427.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 6615660005106 in words is "six trillion, six hundred fifteen billion, six hundred sixty million, five thousand, one hundred six".