253667215560 has 64 divisors (see below), whose sum is σ = 830183618880. Its totient is φ = 61495082240.

The previous prime is 253667215511. The next prime is 253667215591. The reversal of 253667215560 is 65512766352.

253667215560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253667215560² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96084747 + ... + 96087386.

It is an arithmetic number, because the mean of its divisors is an integer number (12971619045).

Almost surely, 2^253667215560 is an apocalyptic number.

253667215560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253667215560 is an abundant number, since it is smaller than the sum of its proper divisors (576516403320).

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

253667215560 is a wasteful number, since it uses less digits than its factorization.

253667215560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192172158 (or 192172154 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 253667215560 in words is "two hundred fifty-three billion, six hundred sixty-seven million, two hundred fifteen thousand, five hundred sixty".