253321330516 has 24 divisors (see below), whose sum is σ = 464661195264. Its totient is φ = 120610380000.

The previous prime is 253321330511. The next prime is 253321330531. The reversal of 253321330516 is 615033123352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253321330511) 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, 6153235 + ... + 6194266.

It is an arithmetic number, because the mean of its divisors is an integer number (19360883136).

Almost surely, 2^253321330516 is an apocalyptic number.

It is an amenable number.

253321330516 is a deficient number, since it is larger than the sum of its proper divisors (211339864748).

253321330516 is a wasteful number, since it uses less digits than its factorization.

253321330516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12347751 (or 12347749 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 253321330516 its reverse (615033123352), we get a palindrome (868354453868).

The spelling of 253321330516 in words is "two hundred fifty-three billion, three hundred twenty-one million, three hundred thirty thousand, five hundred sixteen".