2791292664 has 32 divisors (see below), whose sum is σ = 6988579920. Its totient is φ = 929051136.

The previous prime is 2791292657. The next prime is 2791292681. The reversal of 2791292664 is 4662921972.

It is a super-2 number, since 2×2791292664² = 15582629472200433792, 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, 69649 + ... + 102144.

Almost surely, 2^2791292664 is an apocalyptic number.

2791292664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2791292664 is an abundant number, since it is smaller than the sum of its proper divisors (4197287256).

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

2791292664 is a wasteful number, since it uses less digits than its factorization.

2791292664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172479 (or 172475 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 2791292664 is about 52832.6855649039. The cubic root of 2791292664 is about 1407.9972007843.

The spelling of 2791292664 in words is "two billion, seven hundred ninety-one million, two hundred ninety-two thousand, six hundred sixty-four".