16717442943 has 32 divisors (see below), whose sum is σ = 23262658560. Its totient is φ = 10667069280.

The previous prime is 16717442941. The next prime is 16717442957. The reversal of 16717442943 is 34924471761.

It is not a de Polignac number, because 16717442943 - 2¹ = 16717442941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16717442892 and 16717442901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16717442941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4096378 + ... + 4100456.

It is an arithmetic number, because the mean of its divisors is an integer number (726958080).

Almost surely, 2^16717442943 is an apocalyptic number.

16717442943 is a deficient number, since it is larger than the sum of its proper divisors (6545215617).

16717442943 is a wasteful number, since it uses less digits than its factorization.

16717442943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587.

The product of its digits is 1016064, while the sum is 48.

The spelling of 16717442943 in words is "sixteen billion, seven hundred seventeen million, four hundred forty-two thousand, nine hundred forty-three".