255616502534 has 32 divisors (see below), whose sum is σ = 396184400640. Its totient is φ = 123629512032.

The previous prime is 255616502513. The next prime is 255616502539. The reversal of 255616502534 is 435205616552.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255616502539) 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, 4254797 + ... + 4314455.

It is an arithmetic number, because the mean of its divisors is an integer number (12380762520).

Almost surely, 2^255616502534 is an apocalyptic number.

255616502534 is a deficient number, since it is larger than the sum of its proper divisors (140567898106).

255616502534 is a wasteful number, since it uses less digits than its factorization.

255616502534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60284.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 255616502534 in words is "two hundred fifty-five billion, six hundred sixteen million, five hundred two thousand, five hundred thirty-four".