253354345660 has 36 divisors (see below), whose sum is σ = 576118794888. Its totient is φ = 93546218688.

The previous prime is 253354345633. The next prime is 253354345667. The reversal of 253354345660 is 66543453352.

It is a self number, because there is not a number n which added to its sum of digits gives 253354345660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253354345667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37475074 + ... + 37481833.

It is an arithmetic number, because the mean of its divisors is an integer number (16003299858).

Almost surely, 2^253354345660 is an apocalyptic number.

253354345660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253354345660 is an abundant number, since it is smaller than the sum of its proper divisors (322764449228).

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

253354345660 is a wasteful number, since it uses less digits than its factorization.

253354345660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74956942 (or 74956927 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 46.

The spelling of 253354345660 in words is "two hundred fifty-three billion, three hundred fifty-four million, three hundred forty-five thousand, six hundred sixty".