16940080394 has 8 divisors (see below), whose sum is σ = 26001053760. Its totient is φ = 8273062476.

The previous prime is 16940080393. The next prime is 16940080403. The reversal of 16940080394 is 49308004961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16940080393) 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, 98488754 + ... + 98488925.

It is an arithmetic number, because the mean of its divisors is an integer number (3250131720).

Almost surely, 2^16940080394 is an apocalyptic number.

16940080394 is a deficient number, since it is larger than the sum of its proper divisors (9060973366).

16940080394 is a wasteful number, since it uses less digits than its factorization.

16940080394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196977724.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 16940080394 in words is "sixteen billion, nine hundred forty million, eighty thousand, three hundred ninety-four".