255485277166 has 16 divisors (see below), whose sum is σ = 437986622304. Its totient is φ = 109490724864.

The previous prime is 255485277149. The next prime is 255485277169. The reversal of 255485277166 is 661772584552.

It is a self number, because there is not a number n which added to its sum of digits gives 255485277166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255485277169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335686 + ... + 789718.

It is an arithmetic number, because the mean of its divisors is an integer number (27374163894).

Almost surely, 2^255485277166 is an apocalyptic number.

255485277166 is a deficient number, since it is larger than the sum of its proper divisors (182501345138).

255485277166 is a wasteful number, since it uses less digits than its factorization.

255485277166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494235.

The product of its digits is 28224000, while the sum is 58.

The spelling of 255485277166 in words is "two hundred fifty-five billion, four hundred eighty-five million, two hundred seventy-seven thousand, one hundred sixty-six".