16454943 has 12 divisors (see below), whose sum is σ = 24036480. Its totient is φ = 10846176.

The previous prime is 16454941. The next prime is 16454951. The reversal of 16454943 is 34945461.

16454943 is a `hidden beast` number, since 1 + 645 + 4 + 9 + 4 + 3 = 666.

It is not a de Polignac number, because 16454943 - 2¹ = 16454941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16454898 and 16454907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16454941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9471 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (2003040).

Almost surely, 2^16454943 is an apocalyptic number.

16454943 is a deficient number, since it is larger than the sum of its proper divisors (7581537).

16454943 is a wasteful number, since it uses less digits than its factorization.

16454943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20638 (or 20635 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 16454943 is about 4056.4692775861. The cubic root of 16454943 is about 254.3502257403.

The spelling of 16454943 in words is "sixteen million, four hundred fifty-four thousand, nine hundred forty-three".