15680763872 has 24 divisors (see below), whose sum is σ = 30957519600. Its totient is φ = 7818536704.

The previous prime is 15680763869. The next prime is 15680763877. The reversal of 15680763872 is 27836708651.

It is a super-3 number, since 3×15680763872³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15680763877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670997 + ... + 693972.

It is an arithmetic number, because the mean of its divisors is an integer number (1289896650).

Almost surely, 2^15680763872 is an apocalyptic number.

It is an amenable number.

15680763872 is a deficient number, since it is larger than the sum of its proper divisors (15276755728).

15680763872 is a wasteful number, since it uses less digits than its factorization.

15680763872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365338 (or 1365330 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 15680763872 in words is "fifteen billion, six hundred eighty million, seven hundred sixty-three thousand, eight hundred seventy-two".