13162023520 has 96 divisors (see below), whose sum is σ = 33860786400. Its totient is φ = 4815691776.

The previous prime is 13162023499. The next prime is 13162023529. The reversal of 13162023520 is 2532026131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13162023529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13512 + ... + 162808.

It is an arithmetic number, because the mean of its divisors is an integer number (352716525).

Almost surely, 2^13162023520 is an apocalyptic number.

13162023520 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 13162023520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16930393200).

13162023520 is an abundant number, since it is smaller than the sum of its proper divisors (20698762880).

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

13162023520 is a wasteful number, since it uses less digits than its factorization.

13162023520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149360 (or 149352 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13162023520 its reverse (2532026131), we get a palindrome (15694049651).

The spelling of 13162023520 in words is "thirteen billion, one hundred sixty-two million, twenty-three thousand, five hundred twenty".