16349413 has 4 divisors (see below), whose sum is σ = 16357888. Its totient is φ = 16340940.

The previous prime is 16349401. The next prime is 16349419. The reversal of 16349413 is 31494361.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16349413 - 2⁵ = 16349381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16349419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220 + ... + 5722.

It is an arithmetic number, because the mean of its divisors is an integer number (4089472).

Almost surely, 2^16349413 is an apocalyptic number.

It is an amenable number.

16349413 is a deficient number, since it is larger than the sum of its proper divisors (8475).

16349413 is an equidigital number, since it uses as much as digits as its factorization.

16349413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474.

The product of its digits is 7776, while the sum is 31.

The square root of 16349413 is about 4043.4407377876. The cubic root of 16349413 is about 253.8053202690.

The spelling of 16349413 in words is "sixteen million, three hundred forty-nine thousand, four hundred thirteen".