15653115216 has 240 divisors, whose sum is σ = 46957869504. Its totient is φ = 5044073472.

The previous prime is 15653115193. The next prime is 15653115251. The reversal of 15653115216 is 61251135651.

15653115216 is a `hidden beast` number, since 1 + 565 + 31 + 1 + 52 + 16 = 666.

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

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33518215 + ... + 33518681.

Almost surely, 2^15653115216 is an apocalyptic number.

15653115216 is a gapful number since it is divisible by the number (16) 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 15653115216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23478934752).

15653115216 is an abundant number, since it is smaller than the sum of its proper divisors (31304754288).

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

15653115216 is a wasteful number, since it uses less digits than its factorization.

15653115216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 742 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The spelling of 15653115216 in words is "fifteen billion, six hundred fifty-three million, one hundred fifteen thousand, two hundred sixteen".