2555665614 has 32 divisors (see below), whose sum is σ = 5757063840. Its totient is φ = 840217536.

The previous prime is 2555665603. The next prime is 2555665627. The reversal of 2555665614 is 4165665552.

2555665614 is a `hidden beast` number, since 25 + 5 + 5 + 6 + 6 + 5 + 614 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2555665614.

It is a congruent number.

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, 320217 + ... + 328100.

It is an arithmetic number, because the mean of its divisors is an integer number (179908245).

Almost surely, 2^2555665614 is an apocalyptic number.

2555665614 is an abundant number, since it is smaller than the sum of its proper divisors (3201398226).

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

2555665614 is a wasteful number, since it uses less digits than its factorization.

2555665614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648401 (or 648395 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The square root of 2555665614 is about 50553.5915044619. The cubic root of 2555665614 is about 1367.2082695596.

The spelling of 2555665614 in words is "two billion, five hundred fifty-five million, six hundred sixty-five thousand, six hundred fourteen".