15970120616 has 64 divisors (see below), whose sum is σ = 32085892800. Its totient is φ = 7429363200.

The previous prime is 15970120591. The next prime is 15970120619. The reversal of 15970120616 is 61602107951.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 15970120616.

It is not an unprimeable number, because it can be changed into a prime (15970120619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10782596 + ... + 10784076.

It is an arithmetic number, because the mean of its divisors is an integer number (501342075).

Almost surely, 2^15970120616 is an apocalyptic number.

It is an amenable number.

15970120616 is an abundant number, since it is smaller than the sum of its proper divisors (16115772184).

15970120616 is a wasteful number, since it uses less digits than its factorization.

15970120616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 15970120616 in words is "fifteen billion, nine hundred seventy million, one hundred twenty thousand, six hundred sixteen".