16769999 has 2 divisors, whose sum is σ = 16770000. Its totient is φ = 16769998.

The previous prime is 16769993. The next prime is 16770011. The reversal of 16769999 is 99996761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16769999 - 2²⁰ = 15721423 is a prime.

It is a Chen prime.

16769999 is a modest number, since divided by 9999 gives 1676 as remainder.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16769993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8384999 + 8385000.

It is an arithmetic number, because the mean of its divisors is an integer number (8385000).

Almost surely, 2^16769999 is an apocalyptic number.

16769999 is a deficient number, since it is larger than the sum of its proper divisors (1).

16769999 is an equidigital number, since it uses as much as digits as its factorization.

16769999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1653372, while the sum is 56.

The square root of 16769999 is about 4095.1189237921. The cubic root of 16769999 is about 255.9632871751.

The spelling of 16769999 in words is "sixteen million, seven hundred sixty-nine thousand, nine hundred ninety-nine".