16291696915 has 16 divisors (see below), whose sum is σ = 21307553568. Its totient is φ = 11885838336.

The previous prime is 16291696877. The next prime is 16291696931. The reversal of 16291696915 is 51969619261.

It is a happy number.

16291696915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16291696915 - 2¹⁹ = 16291172627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1504494 + ... + 1515283.

It is an arithmetic number, because the mean of its divisors is an integer number (1331722098).

Almost surely, 2^16291696915 is an apocalyptic number.

16291696915 is a deficient number, since it is larger than the sum of its proper divisors (5015856653).

16291696915 is a wasteful number, since it uses less digits than its factorization.

16291696915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019878.

The product of its digits is 1574640, while the sum is 55.

The spelling of 16291696915 in words is "sixteen billion, two hundred ninety-one million, six hundred ninety-six thousand, nine hundred fifteen".