16986517163 has 16 divisors (see below), whose sum is σ = 21372299520. Its totient is φ = 13114807200.

The previous prime is 16986517157. The next prime is 16986517187. The reversal of 16986517163 is 36171568961.

It is not a de Polignac number, because 16986517163 - 2⁶ = 16986517099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16986517103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003553 + ... + 1020338.

It is an arithmetic number, because the mean of its divisors is an integer number (1335768720).

Almost surely, 2^16986517163 is an apocalyptic number.

16986517163 is a deficient number, since it is larger than the sum of its proper divisors (4385782357).

16986517163 is a wasteful number, since it uses less digits than its factorization.

16986517163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024018.

The product of its digits is 1632960, while the sum is 53.

The spelling of 16986517163 in words is "sixteen billion, nine hundred eighty-six million, five hundred seventeen thousand, one hundred sixty-three".