255071676621 has 16 divisors (see below), whose sum is σ = 341532183168. Its totient is φ = 169330622400.

The previous prime is 255071676619. The next prime is 255071676659. The reversal of 255071676621 is 126676170552.

It is not a de Polignac number, because 255071676621 - 2¹ = 255071676619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255071672621) 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, 752376 + ... + 1037406.

It is an arithmetic number, because the mean of its divisors is an integer number (21345761448).

Almost surely, 2^255071676621 is an apocalyptic number.

It is an amenable number.

255071676621 is a deficient number, since it is larger than the sum of its proper divisors (86460506547).

255071676621 is a wasteful number, since it uses less digits than its factorization.

255071676621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286292.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 255071676621 in words is "two hundred fifty-five billion, seventy-one million, six hundred seventy-six thousand, six hundred twenty-one".