15680496406 has 8 divisors (see below), whose sum is σ = 23527732104. Its totient is φ = 7837919040.

The previous prime is 15680496389. The next prime is 15680496449. The reversal of 15680496406 is 60469408651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15680496406.

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, 1156155 + ... + 1169638.

It is an arithmetic number, because the mean of its divisors is an integer number (2940966513).

Almost surely, 2^15680496406 is an apocalyptic number.

15680496406 is a deficient number, since it is larger than the sum of its proper divisors (7847235698).

15680496406 is a wasteful number, since it uses less digits than its factorization.

15680496406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329166.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 15680496406 in words is "fifteen billion, six hundred eighty million, four hundred ninety-six thousand, four hundred six".