16386475 has 12 divisors (see below), whose sum is σ = 23222224. Its totient is φ = 11236320.

The previous prime is 16386457. The next prime is 16386481. The reversal of 16386475 is 57468361.

It is a happy number.

It is not a de Polignac number, because 16386475 - 2⁵ = 16386443 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

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, 46644 + ... + 46993.

Almost surely, 2^16386475 is an apocalyptic number.

16386475 is a deficient number, since it is larger than the sum of its proper divisors (6835749).

16386475 is an equidigital number, since it uses as much as digits as its factorization.

16386475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93654 (or 93649 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 16386475 is about 4048.0211214864. The cubic root of 16386475 is about 253.9969567908.

It can be divided in two parts, 16386 and 475, that added together give a palindrome (16861).

The spelling of 16386475 in words is "sixteen million, three hundred eighty-six thousand, four hundred seventy-five".