16321475 has 12 divisors (see below), whose sum is σ = 21304440. Its totient is φ = 12369600.

The previous prime is 16321471. The next prime is 16321489. The reversal of 16321475 is 57412361.

It is not a de Polignac number, because 16321475 - 2² = 16321471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16321471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16706 + ... + 17655.

It is an arithmetic number, because the mean of its divisors is an integer number (1775370).

Almost surely, 2^16321475 is an apocalyptic number.

16321475 is a deficient number, since it is larger than the sum of its proper divisors (4982965).

16321475 is a wasteful number, since it uses less digits than its factorization.

16321475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34390 (or 34385 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 16321475 is about 4039.9845296734. The cubic root of 16321475 is about 253.6606696971.

The spelling of 16321475 in words is "sixteen million, three hundred twenty-one thousand, four hundred seventy-five".