2664718860 has 48 divisors (see below), whose sum is σ = 7467548256. Its totient is φ = 709988352.

The previous prime is 2664718817. The next prime is 2664718933. The reversal of 2664718860 is 688174662.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 54774 + ... + 91266.

It is an arithmetic number, because the mean of its divisors is an integer number (155573922).

Almost surely, 2^2664718860 is an apocalyptic number.

2664718860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664718860 is an abundant number, since it is smaller than the sum of its proper divisors (4802829396).

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

2664718860 is a wasteful number, since it uses less digits than its factorization.

2664718860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37722 (or 37720 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 2664718860 is about 51620.9149473351. The cubic root of 2664718860 is about 1386.3848330342.

The spelling of 2664718860 in words is "two billion, six hundred sixty-four million, seven hundred eighteen thousand, eight hundred sixty".