13163445522 has 12 divisors (see below), whose sum is σ = 28520798670. Its totient is φ = 4387815168.

The previous prime is 13163445481. The next prime is 13163445557. The reversal of 13163445522 is 22554436131.

13163445522 is a `hidden beast` number, since 1 + 3 + 1 + 63 + 44 + 552 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12265784001 + 897661521 = 110751^2 + 29961^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 365651247 + ... + 365651282.

Almost surely, 2^13163445522 is an apocalyptic number.

13163445522 is an abundant number, since it is smaller than the sum of its proper divisors (15357353148).

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

13163445522 is a wasteful number, since it uses less digits than its factorization.

13163445522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731302537 (or 731302534 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 13163445522 in words is "thirteen billion, one hundred sixty-three million, four hundred forty-five thousand, five hundred twenty-two".