13601553311166 has 16 divisors (see below), whose sum is σ = 27283828011024. Its totient is φ = 4520397538944.

The previous prime is 13601553311153. The next prime is 13601553311189. The reversal of 13601553311166 is 66111335510631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3363389005 + ... + 3363393048.

It is an arithmetic number, because the mean of its divisors is an integer number (1705239250689).

Almost surely, 2^{13601553311166} is an apocalyptic number.

13601553311166 is an abundant number, since it is smaller than the sum of its proper divisors (13682274699858).

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

13601553311166 is a wasteful number, since it uses less digits than its factorization.

13601553311166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726782395.

The product of its (nonzero) digits is 145800, while the sum is 42.

Adding to 13601553311166 its reverse (66111335510631), we get a palindrome (79712888821797).

The spelling of 13601553311166 in words is "thirteen trillion, six hundred one billion, five hundred fifty-three million, three hundred eleven thousand, one hundred sixty-six".