2660406264264 has 64 divisors (see below), whose sum is σ = 7618797066240. Its totient is φ = 758352444480.

The previous prime is 2660406264253. The next prime is 2660406264281. The reversal of 2660406264264 is 4624626040662.

It is a super-2 number, since 2×2660406264264² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18298534 + ... + 18443349.

It is an arithmetic number, because the mean of its divisors is an integer number (119043704160).

Almost surely, 2^{2660406264264} is an apocalyptic number.

2660406264264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2660406264264 is an abundant number, since it is smaller than the sum of its proper divisors (4958390801976).

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

2660406264264 is a wasteful number, since it uses less digits than its factorization.

2660406264264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36742330 (or 36742326 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 2660406264264 in words is "two trillion, six hundred sixty billion, four hundred six million, two hundred sixty-four thousand, two hundred sixty-four".