2668867536 has 40 divisors (see below), whose sum is σ = 7300139904. Its totient is φ = 837291520.

The previous prime is 2668867501. The next prime is 2668867543. The reversal of 2668867536 is 6357688662.

It is a super-2 number, since 2×2668867536² = 14245707849429422592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634520 + ... + 1636151.

Almost surely, 2^2668867536 is an apocalyptic number.

It is an amenable number.

2668867536 is an abundant number, since it is smaller than the sum of its proper divisors (4631272368).

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

2668867536 is a wasteful number, since it uses less digits than its factorization.

2668867536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270699 (or 3270693 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The square root of 2668867536 is about 51661.0833800454. The cubic root of 2668867536 is about 1387.1039431870.

The spelling of 2668867536 in words is "two billion, six hundred sixty-eight million, eight hundred sixty-seven thousand, five hundred thirty-six".