12163634531544 has 64 divisors (see below), whose sum is σ = 30523723453440. Its totient is φ = 4039262277120.

The previous prime is 12163634531533. The next prime is 12163634531593. The reversal of 12163634531544 is 44513543636121.

It is a super-3 number, since 3×12163634531544³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12163634531493 and 12163634531502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90162589 + ... + 90297395.

It is an arithmetic number, because the mean of its divisors is an integer number (476933178960).

Almost surely, 2^{12163634531544} is an apocalyptic number.

It is an amenable number.

12163634531544 is an abundant number, since it is smaller than the sum of its proper divisors (18360088921896).

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

12163634531544 is a wasteful number, since it uses less digits than its factorization.

12163634531544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148960 (or 148956 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The spelling of 12163634531544 in words is "twelve trillion, one hundred sixty-three billion, six hundred thirty-four million, five hundred thirty-one thousand, five hundred forty-four".