13253427616 has 96 divisors (see below), whose sum is σ = 31233299328. Its totient is φ = 5455856640.

The previous prime is 13253427601. The next prime is 13253427641. The reversal of 13253427616 is 61672435231.

It is a happy number.

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, 215205 + ... + 269851.

It is an arithmetic number, because the mean of its divisors is an integer number (325346868).

Almost surely, 2^13253427616 is an apocalyptic number.

13253427616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13253427616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15616649664).

13253427616 is an abundant number, since it is smaller than the sum of its proper divisors (17979871712).

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

13253427616 is a wasteful number, since it uses less digits than its factorization.

13253427616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54734 (or 54726 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The spelling of 13253427616 in words is "thirteen billion, two hundred fifty-three million, four hundred twenty-seven thousand, six hundred sixteen".