2556847016 has 32 divisors (see below), whose sum is σ = 4974470400. Its totient is φ = 1230750720.

The previous prime is 2556847009. The next prime is 2556847057. The reversal of 2556847016 is 6107486552.

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, 21155 + ... + 74573.

It is an arithmetic number, because the mean of its divisors is an integer number (155452200).

Almost surely, 2^2556847016 is an apocalyptic number.

It is an amenable number.

2556847016 is a deficient number, since it is larger than the sum of its proper divisors (2417623384).

2556847016 is a wasteful number, since it uses less digits than its factorization.

2556847016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53649 (or 53645 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 2556847016 is about 50565.2748039601. The cubic root of 2556847016 is about 1367.4189092393.

The spelling of 2556847016 in words is "two billion, five hundred fifty-six million, eight hundred forty-seven thousand, sixteen".