2667972660 has 24 divisors (see below), whose sum is σ = 7470323616. Its totient is φ = 711459360.

The previous prime is 2667972649. The next prime is 2667972679. The reversal of 2667972660 is 662797662.

It is a happy number.

It is a super-2 number, since 2×2667972660² = 14236156229014951200, 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, 22233046 + ... + 22233165.

It is an arithmetic number, because the mean of its divisors is an integer number (311263484).

Almost surely, 2^2667972660 is an apocalyptic number.

2667972660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2667972660 is an abundant number, since it is smaller than the sum of its proper divisors (4802350956).

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

2667972660 is a wasteful number, since it uses less digits than its factorization.

2667972660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44466223 (or 44466221 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The square root of 2667972660 is about 51652.4216276449. The cubic root of 2667972660 is about 1386.9488930552.

The spelling of 2667972660 in words is "two billion, six hundred sixty-seven million, nine hundred seventy-two thousand, six hundred sixty".