16686282168 has 48 divisors (see below), whose sum is σ = 45242017080. Its totient is φ = 5555939904.

The previous prime is 16686282157. The next prime is 16686282211. The reversal of 16686282168 is 86128268661.

16686282168 is a `hidden beast` number, since 1 + 6 + 6 + 8 + 628 + 2 + 1 + 6 + 8 = 666.

It is a super-2 number, since 2×16686282168² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62455 + ... + 193062.

Almost surely, 2^16686282168 is an apocalyptic number.

16686282168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16686282168 is an abundant number, since it is smaller than the sum of its proper divisors (28555734912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16686282168 is a wasteful number, since it uses less digits than its factorization.

16686282168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256436 (or 256429 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The spelling of 16686282168 in words is "sixteen billion, six hundred eighty-six million, two hundred eighty-two thousand, one hundred sixty-eight".