16483391 has 4 divisors (see below), whose sum is σ = 16515432. Its totient is φ = 16451352.

The previous prime is 16483381. The next prime is 16483403. The reversal of 16483391 is 19338461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16483391 - 2¹⁴ = 16467007 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 (16483321) 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, 15236 + ... + 16281.

It is an arithmetic number, because the mean of its divisors is an integer number (4128858).

Almost surely, 2^16483391 is an apocalyptic number.

16483391 is a deficient number, since it is larger than the sum of its proper divisors (32041).

16483391 is an equidigital number, since it uses as much as digits as its factorization.

16483391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32040.

The product of its digits is 15552, while the sum is 35.

The square root of 16483391 is about 4059.9742610022. The cubic root of 16483391 is about 254.4967184872.

The spelling of 16483391 in words is "sixteen million, four hundred eighty-three thousand, three hundred ninety-one".