16994789343 has 48 divisors (see below), whose sum is σ = 30032121600. Its totient is φ = 9044213760.

The previous prime is 16994789311. The next prime is 16994789369. The reversal of 16994789343 is 34398749961.

It is not a de Polignac number, because 16994789343 - 2⁵ = 16994789311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16994789393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49698 + ... + 190943.

It is an arithmetic number, because the mean of its divisors is an integer number (625669200).

Almost surely, 2^16994789343 is an apocalyptic number.

16994789343 is a deficient number, since it is larger than the sum of its proper divisors (13037332257).

16994789343 is a wasteful number, since it uses less digits than its factorization.

16994789343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240732 (or 240729 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 16994789343 in words is "sixteen billion, nine hundred ninety-four million, seven hundred eighty-nine thousand, three hundred forty-three".