16969385872 has 20 divisors (see below), whose sum is σ = 33368906416. Its totient is φ = 8358055200.

The previous prime is 16969385803. The next prime is 16969385879. The reversal of 16969385872 is 27858396961.

It is not an unprimeable number, because it can be changed into a prime (16969385879) 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, 7913754 + ... + 7915897.

Almost surely, 2^16969385872 is an apocalyptic number.

It is an amenable number.

16969385872 is a deficient number, since it is larger than the sum of its proper divisors (16399520544).

16969385872 is a wasteful number, since it uses less digits than its factorization.

16969385872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15829726 (or 15829720 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 64.

The spelling of 16969385872 in words is "sixteen billion, nine hundred sixty-nine million, three hundred eighty-five thousand, eight hundred seventy-two".