13604165522 has 8 divisors (see below), whose sum is σ = 20593461900. Its totient is φ = 6739678224.

The previous prime is 13604165503. The next prime is 13604165537. The reversal of 13604165522 is 22556140631.

13604165522 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12584576761 + 1019588761 = 112181^2 + 31931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31201997 + ... + 31202432.

Almost surely, 2^13604165522 is an apocalyptic number.

13604165522 is a deficient number, since it is larger than the sum of its proper divisors (6989296378).

13604165522 is a wasteful number, since it uses less digits than its factorization.

13604165522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62404540.

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

The spelling of 13604165522 in words is "thirteen billion, six hundred four million, one hundred sixty-five thousand, five hundred twenty-two".