15738346848 has 144 divisors (see below), whose sum is σ = 49608889344. Its totient is φ = 4351576320.

The previous prime is 15738346831. The next prime is 15738346859. The reversal of 15738346848 is 84864383751.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

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, 91861 + ... + 199787.

It is an arithmetic number, because the mean of its divisors is an integer number (344506176).

Almost surely, 2^15738346848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15738346848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24804444672).

15738346848 is an abundant number, since it is smaller than the sum of its proper divisors (33870542496).

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

15738346848 is a wasteful number, since it uses less digits than its factorization.

15738346848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107985 (or 107970 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The spelling of 15738346848 in words is "fifteen billion, seven hundred thirty-eight million, three hundred forty-six thousand, eight hundred forty-eight".