253222052660 has 12 divisors (see below), whose sum is σ = 531766310628. Its totient is φ = 101288821056.

The previous prime is 253222052639. The next prime is 253222052719. The reversal of 253222052660 is 66250222352.

It can be written as a sum of positive squares in 2 ways, for example, as 41279674276 + 211942378384 = 203174^2 + 460372^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 253222052660.

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, 6330551297 + ... + 6330551336.

It is an arithmetic number, because the mean of its divisors is an integer number (44313859219).

Almost surely, 2^253222052660 is an apocalyptic number.

253222052660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253222052660 is an abundant number, since it is smaller than the sum of its proper divisors (278544257968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253222052660 is a wasteful number, since it uses less digits than its factorization.

253222052660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12661102642 (or 12661102640 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 253222052660 in words is "two hundred fifty-three billion, two hundred twenty-two million, fifty-two thousand, six hundred sixty".