2516665255 has 16 divisors (see below), whose sum is σ = 3273034464. Its totient is φ = 1846615680.

The previous prime is 2516665253. The next prime is 2516665309. The reversal of 2516665255 is 5525666152.

It is not a de Polignac number, because 2516665255 - 2¹ = 2516665253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516665253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113101 + ... + 133510.

It is an arithmetic number, because the mean of its divisors is an integer number (204564654).

Almost surely, 2^2516665255 is an apocalyptic number.

2516665255 is a deficient number, since it is larger than the sum of its proper divisors (756369209).

2516665255 is a wasteful number, since it uses less digits than its factorization.

2516665255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246786.

The product of its digits is 540000, while the sum is 43.

The square root of 2516665255 is about 50166.3757411276. The cubic root of 2516665255 is about 1360.2178959913.

The spelling of 2516665255 in words is "two billion, five hundred sixteen million, six hundred sixty-five thousand, two hundred fifty-five".