15163220113632 has 144 divisors (see below), whose sum is σ = 43873336333008. Its totient is φ = 4966325360640.

The previous prime is 15163220113619. The next prime is 15163220113667. The reversal of 15163220113632 is 23631102236151.

15163220113632 is a `hidden beast` number, since 1 + 5 + 1 + 6 + 3 + 2 + 2 + 0 + 1 + 13 + 632 = 666.

15163220113632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16289463 + ... + 17195145.

It is an arithmetic number, because the mean of its divisors is an integer number (304675946757).

Almost surely, 2^{15163220113632} is an apocalyptic number.

15163220113632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15163220113632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21936668166504).

15163220113632 is an abundant number, since it is smaller than the sum of its proper divisors (28710116219376).

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

15163220113632 is a wasteful number, since it uses less digits than its factorization.

15163220113632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906713 (or 906702 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 15163220113632 its reverse (23631102236151), we get a palindrome (38794322349783).

The spelling of 15163220113632 in words is "fifteen trillion, one hundred sixty-three billion, two hundred twenty million, one hundred thirteen thousand, six hundred thirty-two".