16936972866 has 24 divisors (see below), whose sum is σ = 40032845424. Its totient is φ = 5132415960.

The previous prime is 16936972861. The next prime is 16936972889. The reversal of 16936972866 is 66827963961.

It is a super-2 number, since 2×16936972866² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16936972861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42769936 + ... + 42770331.

It is an arithmetic number, because the mean of its divisors is an integer number (1668035226).

Almost surely, 2^16936972866 is an apocalyptic number.

16936972866 is an abundant number, since it is smaller than the sum of its proper divisors (23095872558).

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

16936972866 is a wasteful number, since it uses less digits than its factorization.

16936972866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85540286 (or 85540283 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 16936972866 in words is "sixteen billion, nine hundred thirty-six million, nine hundred seventy-two thousand, eight hundred sixty-six".