16811286808 has 16 divisors (see below), whose sum is σ = 33375349080. Its totient is φ = 7911193728.

The previous prime is 16811286803. The next prime is 16811286829. The reversal of 16811286808 is 80868211861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16811286803) 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, 61806066 + ... + 61806337.

Almost surely, 2^16811286808 is an apocalyptic number.

It is an amenable number.

16811286808 is a deficient number, since it is larger than the sum of its proper divisors (16564062272).

16811286808 is a wasteful number, since it uses less digits than its factorization.

16811286808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123612426 (or 123612422 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 49.

The spelling of 16811286808 in words is "sixteen billion, eight hundred eleven million, two hundred eighty-six thousand, eight hundred eight".