16373109 has 4 divisors (see below), whose sum is σ = 21830816. Its totient is φ = 10915404.

The previous prime is 16373107. The next prime is 16373113. The reversal of 16373109 is 90137361.

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 not a de Polignac number, because 16373109 - 2¹ = 16373107 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 (16373107) 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, 2728849 + ... + 2728854.

It is an arithmetic number, because the mean of its divisors is an integer number (5457704).

Almost surely, 2^16373109 is an apocalyptic number.

It is an amenable number.

16373109 is a deficient number, since it is larger than the sum of its proper divisors (5457707).

16373109 is an equidigital number, since it uses as much as digits as its factorization.

16373109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457706.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 16373109 is about 4046.3698545734. The cubic root of 16373109 is about 253.9278785460.

The spelling of 16373109 in words is "sixteen million, three hundred seventy-three thousand, one hundred nine".