16231469 has 2 divisors, whose sum is σ = 16231470. Its totient is φ = 16231468.

The previous prime is 16231459. The next prime is 16231483. The reversal of 16231469 is 96413261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14822500 + 1408969 = 3850^2 + 1187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16231469 is a prime.

It is a super-2 number, since 2×16231469² = 526921171795922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16231459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8115734 + 8115735.

It is an arithmetic number, because the mean of its divisors is an integer number (8115735).

Almost surely, 2^16231469 is an apocalyptic number.

It is an amenable number.

16231469 is a deficient number, since it is larger than the sum of its proper divisors (1).

16231469 is an equidigital number, since it uses as much as digits as its factorization.

16231469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 16231469 is about 4028.8297308276. The cubic root of 16231469 is about 253.1935330156.

The spelling of 16231469 in words is "sixteen million, two hundred thirty-one thousand, four hundred sixty-nine".