16968443 has 2 divisors, whose sum is σ = 16968444. Its totient is φ = 16968442.

The previous prime is 16968433. The next prime is 16968461. The reversal of 16968443 is 34486961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16968443 - 2⁶ = 16968379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16968443.

It is not a weakly prime, because it can be changed into another prime (16968433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8484221 + 8484222.

It is an arithmetic number, because the mean of its divisors is an integer number (8484222).

Almost surely, 2^16968443 is an apocalyptic number.

16968443 is a deficient number, since it is larger than the sum of its proper divisors (1).

16968443 is an equidigital number, since it uses as much as digits as its factorization.

16968443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 16968443 is about 4119.2769996688. The cubic root of 16968443 is about 256.9689586879.

The spelling of 16968443 in words is "sixteen million, nine hundred sixty-eight thousand, four hundred forty-three".