16118933 has 2 divisors, whose sum is σ = 16118934. Its totient is φ = 16118932.

The previous prime is 16118909. The next prime is 16118951. The reversal of 16118933 is 33981161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11444689 + 4674244 = 3383^2 + 2162^2 .

It is a cyclic number.

It is not a de Polignac number, because 16118933 - 2⁸ = 16118677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16118933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16118903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8059466 + 8059467.

It is an arithmetic number, because the mean of its divisors is an integer number (8059467).

Almost surely, 2^16118933 is an apocalyptic number.

It is an amenable number.

16118933 is a deficient number, since it is larger than the sum of its proper divisors (1).

16118933 is an equidigital number, since it uses as much as digits as its factorization.

16118933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 16118933 is about 4014.8391001384. The cubic root of 16118933 is about 252.6070284432.

The spelling of 16118933 in words is "sixteen million, one hundred eighteen thousand, nine hundred thirty-three".