16994648042 has 8 divisors (see below), whose sum is σ = 25744368132. Its totient is φ = 8413192000.

The previous prime is 16994647991. The next prime is 16994648093. The reversal of 16994648042 is 24084649961.

It is an interprime number because it is at equal distance from previous prime (16994647991) and next prime (16994648093).

It can be written as a sum of positive squares in 2 ways, for example, as 16993990321 + 657721 = 130361^2 + 811^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42065759 + ... + 42066162.

Almost surely, 2^16994648042 is an apocalyptic number.

16994648042 is a deficient number, since it is larger than the sum of its proper divisors (8749720090).

16994648042 is a wasteful number, since it uses less digits than its factorization.

16994648042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84132024.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 16994648042 in words is "sixteen billion, nine hundred ninety-four million, six hundred forty-eight thousand, forty-two".