16321374 has 24 divisors (see below), whose sum is σ = 36583560. Its totient is φ = 5252688.

The previous prime is 16321373. The next prime is 16321387. The reversal of 16321374 is 47312361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16321373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15112 + ... + 16155.

It is an arithmetic number, because the mean of its divisors is an integer number (1524315).

Almost surely, 2^16321374 is an apocalyptic number.

16321374 is an abundant number, since it is smaller than the sum of its proper divisors (20262186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16321374 is a wasteful number, since it uses less digits than its factorization.

16321374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31304 (or 31301 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 16321374 is about 4039.9720296061. The cubic root of 16321374 is about 253.6601464646.

The spelling of 16321374 in words is "sixteen million, three hundred twenty-one thousand, three hundred seventy-four".