2005660665002 has 32 divisors (see below), whose sum is σ = 3068706298944. Its totient is φ = 982911283200.

The previous prime is 2005660664983. The next prime is 2005660665017.

2005660665002 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137432618 + ... + 137447210.

It is an arithmetic number, because the mean of its divisors is an integer number (95897071842).

Almost surely, 2^{2005660665002} is an apocalyptic number.

2005660665002 is a deficient number, since it is larger than the sum of its proper divisors (1063045633942).

2005660665002 is a wasteful number, since it uses less digits than its factorization.

2005660665002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19734.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 2005660665002 in words is "two trillion, five billion, six hundred sixty million, six hundred sixty-five thousand, two".