2015666632 has 16 divisors (see below), whose sum is σ = 4319285760. Its totient is φ = 863857104.

The previous prime is 2015666629. The next prime is 2015666669. The reversal of 2015666632 is 2366665102.

It is a junction number, because it is equal to n+sod(n) for n = 2015666591 and 2015666600.

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, 17996968 + ... + 17997079.

It is an arithmetic number, because the mean of its divisors is an integer number (269955360).

Almost surely, 2^2015666632 is an apocalyptic number.

It is an amenable number.

2015666632 is an abundant number, since it is smaller than the sum of its proper divisors (2303619128).

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

2015666632 is a wasteful number, since it uses less digits than its factorization.

2015666632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35994060 (or 35994056 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2015666632 is about 44896.1761400679. The cubic root of 2015666632 is about 1263.2022836767.

The spelling of 2015666632 in words is "two billion, fifteen million, six hundred sixty-six thousand, six hundred thirty-two".