16432769 has 2 divisors, whose sum is σ = 16432770. Its totient is φ = 16432768.

The previous prime is 16432753. The next prime is 16432781. The reversal of 16432769 is 96723461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15249025 + 1183744 = 3905^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432769 - 2⁴ = 16432753 is a prime.

It is a super-2 number, since 2×16432769² = 540071794014722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16432709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216384 + 8216385.

It is an arithmetic number, because the mean of its divisors is an integer number (8216385).

Almost surely, 2^16432769 is an apocalyptic number.

It is an amenable number.

16432769 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432769 is an equidigital number, since it uses as much as digits as its factorization.

16432769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 16432769 is about 4053.7351911540. The cubic root of 16432769 is about 254.2359237705.

The spelling of 16432769 in words is "sixteen million, four hundred thirty-two thousand, seven hundred sixty-nine".