16345441 has 4 divisors (see below), whose sum is σ = 18680512. Its totient is φ = 14010372.

The previous prime is 16345423. The next prime is 16345447. The reversal of 16345441 is 14454361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16345441 - 2⁵ = 16345409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16345447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167525 + ... + 1167538.

It is an arithmetic number, because the mean of its divisors is an integer number (4670128).

Almost surely, 2^16345441 is an apocalyptic number.

It is an amenable number.

16345441 is a deficient number, since it is larger than the sum of its proper divisors (2335071).

16345441 is an equidigital number, since it uses as much as digits as its factorization.

16345441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335070.

The product of its digits is 5760, while the sum is 28.

The square root of 16345441 is about 4042.9495421041. The cubic root of 16345441 is about 253.7847650686.

The spelling of 16345441 in words is "sixteen million, three hundred forty-five thousand, four hundred forty-one".