15648004736 has 192 divisors, whose sum is σ = 40264801920. Its totient is φ = 5919952896.

The previous prime is 15648004733. The next prime is 15648004751. The reversal of 15648004736 is 63740084651.

It is not an unprimeable number, because it can be changed into a prime (15648004733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3480506 + ... + 3484998.

It is an arithmetic number, because the mean of its divisors is an integer number (209712510).

Almost surely, 2^15648004736 is an apocalyptic number.

15648004736 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 15648004736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20132400960).

15648004736 is an abundant number, since it is smaller than the sum of its proper divisors (24616797184).

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

15648004736 is a wasteful number, since it uses less digits than its factorization.

15648004736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563 (or 4538 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 15648004736 in words is "fifteen billion, six hundred forty-eight million, four thousand, seven hundred thirty-six".