16426645 has 8 divisors (see below), whose sum is σ = 20170656. Its totient is φ = 12835536.

The previous prime is 16426643. The next prime is 16426681. The reversal of 16426645 is 54662461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16426645 - 2¹ = 16426643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16426645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37987 + ... + 38416.

It is an arithmetic number, because the mean of its divisors is an integer number (2521332).

Almost surely, 2^16426645 is an apocalyptic number.

It is an amenable number.

16426645 is a deficient number, since it is larger than the sum of its proper divisors (3744011).

16426645 is an equidigital number, since it uses as much as digits as its factorization.

16426645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76451.

The product of its digits is 34560, while the sum is 34.

The square root of 16426645 is about 4052.9797680225. The cubic root of 16426645 is about 254.2043378127.

It can be divided in two parts, 16426 and 645, that added together give a palindrome (17071).

The spelling of 16426645 in words is "sixteen million, four hundred twenty-six thousand, six hundred forty-five".