255620416263 has 16 divisors (see below), whose sum is σ = 354968902656. Its totient is φ = 163472510880.

The previous prime is 255620416253. The next prime is 255620416313. The reversal of 255620416263 is 362614026552.

It is not a de Polignac number, because 255620416263 - 2¹⁷ = 255620285191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255620416253) 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, 16209631 + ... + 16225392.

It is an arithmetic number, because the mean of its divisors is an integer number (22185556416).

Almost surely, 2^255620416263 is an apocalyptic number.

255620416263 is a deficient number, since it is larger than the sum of its proper divisors (99348486393).

255620416263 is a wasteful number, since it uses less digits than its factorization.

255620416263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32435134.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 255620416263 in words is "two hundred fifty-five billion, six hundred twenty million, four hundred sixteen thousand, two hundred sixty-three".