16321376 has 24 divisors (see below), whose sum is σ = 33171264. Its totient is φ = 7896960.

The previous prime is 16321373. The next prime is 16321387. The reversal of 16321376 is 67312361.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7235 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (1382136).

Almost surely, 2^16321376 is an apocalyptic number.

16321376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16321376 is an abundant number, since it is smaller than the sum of its proper divisors (16849888).

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

16321376 is a wasteful number, since it uses less digits than its factorization.

16321376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16494 (or 16486 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 16321376 is about 4039.9722771326. The cubic root of 16321376 is about 253.6601568257.

The spelling of 16321376 in words is "sixteen million, three hundred twenty-one thousand, three hundred seventy-six".