13355161320 has 128 divisors (see below), whose sum is σ = 40539761280. Its totient is φ = 3519360000.

The previous prime is 13355161319. The next prime is 13355161349. The reversal of 13355161320 is 2316155331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11404335 + ... + 11405505.

It is an arithmetic number, because the mean of its divisors is an integer number (316716885).

Almost surely, 2^13355161320 is an apocalyptic number.

13355161320 is a gapful number since it is divisible by the number (10) 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 13355161320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20269880640).

13355161320 is an abundant number, since it is smaller than the sum of its proper divisors (27184599960).

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

13355161320 is a wasteful number, since it uses less digits than its factorization.

13355161320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227 (or 2223 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The spelling of 13355161320 in words is "thirteen billion, three hundred fifty-five million, one hundred sixty-one thousand, three hundred twenty".