15748320216 has 16 divisors (see below), whose sum is σ = 39370800600. Its totient is φ = 5249440064.

The previous prime is 15748320191. The next prime is 15748320233. The reversal of 15748320216 is 61202384751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328089981 + ... + 328090028.

Almost surely, 2^15748320216 is an apocalyptic number.

It is an amenable number.

15748320216 is an abundant number, since it is smaller than the sum of its proper divisors (23622480384).

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

15748320216 is a wasteful number, since it uses less digits than its factorization.

15748320216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656180018 (or 656180014 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 15748320216 in words is "fifteen billion, seven hundred forty-eight million, three hundred twenty thousand, two hundred sixteen".