2660165996 has 12 divisors (see below), whose sum is σ = 4696488552. Its totient is φ = 1318312128.

The previous prime is 2660165971. The next prime is 2660166043. The reversal of 2660165996 is 6995610662.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942210 + ... + 2943113.

It is an arithmetic number, because the mean of its divisors is an integer number (391374046).

Almost surely, 2^2660165996 is an apocalyptic number.

It is an amenable number.

2660165996 is a deficient number, since it is larger than the sum of its proper divisors (2036322556).

2660165996 is a wasteful number, since it uses less digits than its factorization.

2660165996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885440 (or 5885438 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 2660165996 is about 51576.7970700004. The cubic root of 2660165996 is about 1385.5948034923.

The spelling of 2660165996 in words is "two billion, six hundred sixty million, one hundred sixty-five thousand, nine hundred ninety-six".