16972189366 has 16 divisors (see below), whose sum is σ = 27776556288. Its totient is φ = 7713553000.

The previous prime is 16972189363. The next prime is 16972189427. The reversal of 16972189366 is 66398127961.

It is a self number, because there is not a number n which added to its sum of digits gives 16972189366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16972189363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119391 + ... + 219541.

It is an arithmetic number, because the mean of its divisors is an integer number (1736034768).

Almost surely, 2^16972189366 is an apocalyptic number.

16972189366 is a deficient number, since it is larger than the sum of its proper divisors (10804366922).

16972189366 is a wasteful number, since it uses less digits than its factorization.

16972189366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107867.

The product of its digits is 5878656, while the sum is 58.

The spelling of 16972189366 in words is "sixteen billion, nine hundred seventy-two million, one hundred eighty-nine thousand, three hundred sixty-six".