16374469 has 2 divisors, whose sum is σ = 16374470. Its totient is φ = 16374468.

The previous prime is 16374433. The next prime is 16374497. The reversal of 16374469 is 96447361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11985444 + 4389025 = 3462^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 16374469 - 2⁹ = 16373957 is a prime.

It is a super-2 number, since 2×16374469² = 536246470063922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16374419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8187234 + 8187235.

It is an arithmetic number, because the mean of its divisors is an integer number (8187235).

Almost surely, 2^16374469 is an apocalyptic number.

It is an amenable number.

16374469 is a deficient number, since it is larger than the sum of its proper divisors (1).

16374469 is an equidigital number, since it uses as much as digits as its factorization.

16374469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 16374469 is about 4046.5379029486. The cubic root of 16374469 is about 253.9349090242.

The spelling of 16374469 in words is "sixteen million, three hundred seventy-four thousand, four hundred sixty-nine".