2556338065316 has 24 divisors (see below), whose sum is σ = 5277601168896. Its totient is φ = 1060232376960.

The previous prime is 2556338065283. The next prime is 2556338065331. The reversal of 2556338065316 is 6135608336552.

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, 1472544101 + ... + 1472545836.

It is an arithmetic number, because the mean of its divisors is an integer number (219900048704).

Almost surely, 2^{2556338065316} is an apocalyptic number.

It is an amenable number.

2556338065316 is an abundant number, since it is smaller than the sum of its proper divisors (2721263103580).

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

2556338065316 is a wasteful number, since it uses less digits than its factorization.

2556338065316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945089979 (or 2945089977 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 2556338065316 in words is "two trillion, five hundred fifty-six billion, three hundred thirty-eight million, sixty-five thousand, three hundred sixteen".