15166416663 has 24 divisors (see below), whose sum is σ = 22209982080. Its totient is φ = 9972078480.

The previous prime is 15166416659. The next prime is 15166416677. The reversal of 15166416663 is 36661466151.

It is not a de Polignac number, because 15166416663 - 2² = 15166416659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15166416623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152718 + ... + 231636.

It is an arithmetic number, because the mean of its divisors is an integer number (925415920).

Almost surely, 2^15166416663 is an apocalyptic number.

15166416663 is a deficient number, since it is larger than the sum of its proper divisors (7043565417).

15166416663 is a wasteful number, since it uses less digits than its factorization.

15166416663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79219 (or 79216 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 15166416663 in words is "fifteen billion, one hundred sixty-six million, four hundred sixteen thousand, six hundred sixty-three".