2555116689 has 16 divisors (see below), whose sum is σ = 3566260224. Its totient is φ = 1625240400.

The previous prime is 2555116687. The next prime is 2555116721. The reversal of 2555116689 is 9866115552.

2555116689 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2555116689 - 2¹ = 2555116687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2555116687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186879 + ... + 200084.

It is an arithmetic number, because the mean of its divisors is an integer number (222891264).

Almost surely, 2^2555116689 is an apocalyptic number.

It is an amenable number.

2555116689 is a deficient number, since it is larger than the sum of its proper divisors (1011143535).

2555116689 is a wasteful number, since it uses less digits than its factorization.

2555116689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387068.

The product of its digits is 648000, while the sum is 48.

The square root of 2555116689 is about 50548.1620734127. The cubic root of 2555116689 is about 1367.1103761401.

The spelling of 2555116689 in words is "two billion, five hundred fifty-five million, one hundred sixteen thousand, six hundred eighty-nine".