13522522166 has 4 divisors (see below), whose sum is σ = 20283783252. Its totient is φ = 6761261082.

The previous prime is 13522522159. The next prime is 13522522187. The reversal of 13522522166 is 66122522531.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13522522166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3380630540 + ... + 3380630543.

It is an arithmetic number, because the mean of its divisors is an integer number (5070945813).

Almost surely, 2^13522522166 is an apocalyptic number.

13522522166 is a deficient number, since it is larger than the sum of its proper divisors (6761261086).

13522522166 is an equidigital number, since it uses as much as digits as its factorization.

13522522166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761261085.

The product of its digits is 43200, while the sum is 35.

The spelling of 13522522166 in words is "thirteen billion, five hundred twenty-two million, five hundred twenty-two thousand, one hundred sixty-six".