16666682163 has 16 divisors (see below), whose sum is σ = 22782018336. Its totient is φ = 10831656960.

The previous prime is 16666682159. The next prime is 16666682167. The reversal of 16666682163 is 36128666661.

It is an interprime number because it is at equal distance from previous prime (16666682159) and next prime (16666682167).

It is not a de Polignac number, because 16666682163 - 2² = 16666682159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16666682167) 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, 107295 + ... + 211767.

It is an arithmetic number, because the mean of its divisors is an integer number (1423876146).

Almost surely, 2^16666682163 is an apocalyptic number.

16666682163 is a deficient number, since it is larger than the sum of its proper divisors (6115336173).

16666682163 is a wasteful number, since it uses less digits than its factorization.

16666682163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105814.

The product of its digits is 2239488, while the sum is 51.

The spelling of 16666682163 in words is "sixteen billion, six hundred sixty-six million, six hundred eighty-two thousand, one hundred sixty-three".