16814686692 has 12 divisors (see below), whose sum is σ = 39234268976. Its totient is φ = 5604895560.

The previous prime is 16814686673. The next prime is 16814686699. The reversal of 16814686692 is 29668641861.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16814686699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700611934 + ... + 700611957.

Almost surely, 2^16814686692 is an apocalyptic number.

16814686692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16814686692 is an abundant number, since it is smaller than the sum of its proper divisors (22419582284).

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

16814686692 is a wasteful number, since it uses less digits than its factorization.

16814686692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401223898 (or 1401223896 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The spelling of 16814686692 in words is "sixteen billion, eight hundred fourteen million, six hundred eighty-six thousand, six hundred ninety-two".