16975987194 has 16 divisors (see below), whose sum is σ = 35949149568. Its totient is φ = 5325799872.

The previous prime is 16975987187. The next prime is 16975987207. The reversal of 16975987194 is 49178957961.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83215522 + ... + 83215725.

It is an arithmetic number, because the mean of its divisors is an integer number (2246821848).

Almost surely, 2^16975987194 is an apocalyptic number.

16975987194 is an abundant number, since it is smaller than the sum of its proper divisors (18973162374).

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

16975987194 is a wasteful number, since it uses less digits than its factorization.

16975987194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166431269.

The product of its digits is 34292160, while the sum is 66.

The spelling of 16975987194 in words is "sixteen billion, nine hundred seventy-five million, nine hundred eighty-seven thousand, one hundred ninety-four".