15716664089 has 8 divisors (see below), whose sum is σ = 17973091968. Its totient is φ = 13463033760.

The previous prime is 15716664049. The next prime is 15716664107. The reversal of 15716664089 is 98046661751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15716664089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15716664089.

It is not an unprimeable number, because it can be changed into a prime (15716664049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687332 + ... + 709829.

It is an arithmetic number, because the mean of its divisors is an integer number (2246636496).

Almost surely, 2^15716664089 is an apocalyptic number.

It is an amenable number.

15716664089 is a deficient number, since it is larger than the sum of its proper divisors (2256427879).

15716664089 is a wasteful number, since it uses less digits than its factorization.

15716664089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398775.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 15716664089 in words is "fifteen billion, seven hundred sixteen million, six hundred sixty-four thousand, eighty-nine".