16943331 has 8 divisors (see below), whose sum is σ = 22612240. Its totient is φ = 11284992.

The previous prime is 16943321. The next prime is 16943347. The reversal of 16943331 is 13334961.

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

It is not a de Polignac number, because 16943331 - 2⁹ = 16942819 is a prime.

It is a super-2 number, since 2×16943331² = 574152930751122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16943321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (2826530).

Almost surely, 2^16943331 is an apocalyptic number.

16943331 is a deficient number, since it is larger than the sum of its proper divisors (5668909).

16943331 is a wasteful number, since it uses less digits than its factorization.

16943331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285.

The product of its digits is 5832, while the sum is 30.

The square root of 16943331 is about 4116.2277633775. The cubic root of 16943331 is about 256.8421312897.

The spelling of 16943331 in words is "sixteen million, nine hundred forty-three thousand, three hundred thirty-one".