255663767366552 has 16 divisors (see below), whose sum is σ = 479370262039200. Its totient is φ = 127831697489440.

The previous prime is 255663767366543. The next prime is 255663767366563.

It is a happy number.

255663767366552 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 255663767366552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17349824 + ... + 28501647.

It is an arithmetic number, because the mean of its divisors is an integer number (29960641377450).

Almost surely, 2^{255663767366552} is an apocalyptic number.

It is an amenable number.

255663767366552 is a deficient number, since it is larger than the sum of its proper divisors (223706494672648).

255663767366552 is a wasteful number, since it uses less digits than its factorization.

255663767366552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46548466 (or 46548462 counting only the distinct ones).

The product of its digits is 8573040000, while the sum is 74.

The spelling of 255663767366552 in words is "two hundred fifty-five trillion, six hundred sixty-three billion, seven hundred sixty-seven million, three hundred sixty-six thousand, five hundred fifty-two".