15680827216 has 40 divisors (see below), whose sum is σ = 31373134848. Its totient is φ = 7584720000.

The previous prime is 15680827181. The next prime is 15680827297. The reversal of 15680827216 is 61272808651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189241 + ... + 2196391.

Almost surely, 2^15680827216 is an apocalyptic number.

15680827216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15680827216 is an abundant number, since it is smaller than the sum of its proper divisors (15692307632).

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

15680827216 is a wasteful number, since it uses less digits than its factorization.

15680827216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11611 (or 11605 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 15680827216 in words is "fifteen billion, six hundred eighty million, eight hundred twenty-seven thousand, two hundred sixteen".