16993894274 has 8 divisors (see below), whose sum is σ = 29132390208. Its totient is φ = 7283097540.

The previous prime is 16993894273. The next prime is 16993894289. The reversal of 16993894274 is 47249839961.

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 (16993894273) 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, 606924782 + ... + 606924809.

It is an arithmetic number, because the mean of its divisors is an integer number (3641548776).

Almost surely, 2^16993894274 is an apocalyptic number.

16993894274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16993894274 is a deficient number, since it is larger than the sum of its proper divisors (12138495934).

16993894274 is a wasteful number, since it uses less digits than its factorization.

16993894274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213849600.

The product of its digits is 23514624, while the sum is 62.

The spelling of 16993894274 in words is "sixteen billion, nine hundred ninety-three million, eight hundred ninety-four thousand, two hundred seventy-four".