2666652904 has 16 divisors (see below), whose sum is σ = 5049480420. Its totient is φ = 1320124800.

The previous prime is 2666652893. The next prime is 2666652917. The reversal of 2666652904 is 4092566662.

It can be written as a sum of positive squares in 2 ways, for example, as 2665656900 + 996004 = 51630^2 + 998^2 .

It is a super-2 number, since 2×2666652904² = 14222075420823266432, which contains 22 as substring.

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, 1649349 + ... + 1650964.

Almost surely, 2^2666652904 is an apocalyptic number.

It is an amenable number.

2666652904 is a deficient number, since it is larger than the sum of its proper divisors (2382827516).

2666652904 is a wasteful number, since it uses less digits than its factorization.

2666652904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300420 (or 3300416 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 2666652904 is about 51639.6446928133. The cubic root of 2666652904 is about 1386.7201630721.

The spelling of 2666652904 in words is "two billion, six hundred sixty-six million, six hundred fifty-two thousand, nine hundred four".