255635923160690 has 8 divisors (see below), whose sum is σ = 460144661689260. Its totient is φ = 102254369264272.

The previous prime is 255635923160671. The next prime is 255635923160693. The reversal of 255635923160690 is 96061329536552.

It can be written as a sum of positive squares in 2 ways, for example, as 236360583204529 + 19275339956161 = 15374023^2 + 4390369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×255635923160690² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255635923160693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12781796158025 + ... + 12781796158044.

Almost surely, 2^{255635923160690} is an apocalyptic number.

255635923160690 is a deficient number, since it is larger than the sum of its proper divisors (204508738528570).

255635923160690 is a wasteful number, since it uses less digits than its factorization.

255635923160690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25563592316076.

The product of its (nonzero) digits is 78732000, while the sum is 62.

The spelling of 255635923160690 in words is "two hundred fifty-five trillion, six hundred thirty-five billion, nine hundred twenty-three million, one hundred sixty thousand, six hundred ninety".