16911469 has 2 divisors, whose sum is σ = 16911470. Its totient is φ = 16911468.

The previous prime is 16911449. The next prime is 16911491. The reversal of 16911469 is 96411961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11088900 + 5822569 = 3330^2 + 2413^2 .

It is a cyclic number.

It is not a de Polignac number, because 16911469 - 2¹⁹ = 16387181 is a prime.

It is a super-2 number, since 2×16911469² = 571995567475922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16911409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8455734 + 8455735.

It is an arithmetic number, because the mean of its divisors is an integer number (8455735).

Almost surely, 2^16911469 is an apocalyptic number.

It is an amenable number.

16911469 is a deficient number, since it is larger than the sum of its proper divisors (1).

16911469 is an equidigital number, since it uses as much as digits as its factorization.

16911469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 37.

The square root of 16911469 is about 4112.3556509621. The cubic root of 16911469 is about 256.6810327223.

It can be divided in two parts, 1691 and 1469, that added together give a triangular number (3160 = T₇₉).

The spelling of 16911469 in words is "sixteen million, nine hundred eleven thousand, four hundred sixty-nine".