13526333968 has 80 divisors (see below), whose sum is σ = 32360428800. Its totient is φ = 5455962624.

The previous prime is 13526333929. The next prime is 13526333981. The reversal of 13526333968 is 86933362531.

It is a super-2 number, since 2×13526333968² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 20805 + ... + 165787.

It is an arithmetic number, because the mean of its divisors is an integer number (404505360).

Almost surely, 2^13526333968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13526333968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16180214400).

13526333968 is an abundant number, since it is smaller than the sum of its proper divisors (18834094832).

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

13526333968 is a wasteful number, since it uses less digits than its factorization.

13526333968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145029 (or 145009 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 49.

The spelling of 13526333968 in words is "thirteen billion, five hundred twenty-six million, three hundred thirty-three thousand, nine hundred sixty-eight".