16517373868 has 12 divisors (see below), whose sum is σ = 28931014840. Its totient is φ = 8251369632.

The previous prime is 16517373863. The next prime is 16517373869. The reversal of 16517373868 is 86837371561.

It is not an unprimeable number, because it can be changed into a prime (16517373863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1824246 + ... + 1833277.

Almost surely, 2^16517373868 is an apocalyptic number.

It is an amenable number.

16517373868 is a deficient number, since it is larger than the sum of its proper divisors (12413640972).

16517373868 is a wasteful number, since it uses less digits than its factorization.

16517373868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658656 (or 3658654 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 55.

The spelling of 16517373868 in words is "sixteen billion, five hundred seventeen million, three hundred seventy-three thousand, eight hundred sixty-eight".