2641055664 has 80 divisors (see below), whose sum is σ = 7584625664. Its totient is φ = 786412800.

The previous prime is 2641055653. The next prime is 2641055701. The reversal of 2641055664 is 4665501462.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48922 + ... + 87609.

Almost surely, 2^2641055664 is an apocalyptic number.

2641055664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2641055664 is an abundant number, since it is smaller than the sum of its proper divisors (4943570000).

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

2641055664 is a wasteful number, since it uses less digits than its factorization.

2641055664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136586 (or 136580 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 2641055664 is about 51391.2022042684. The cubic root of 2641055664 is about 1382.2688407718.

The spelling of 2641055664 in words is "two billion, six hundred forty-one million, fifty-five thousand, six hundred sixty-four".