16422786 has 24 divisors (see below), whose sum is σ = 36168444. Its totient is φ = 5384160.

The previous prime is 16422781. The next prime is 16422793. The reversal of 16422786 is 68722461.

16422786 is a `hidden beast` number, since 1 + 642 + 2 + 7 + 8 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13549761 + 2873025 = 3681^2 + 1695^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16422786.

It is not an unprimeable number, because it can be changed into a prime (16422781) 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, 6381 + ... + 8576.

Almost surely, 2^16422786 is an apocalyptic number.

16422786 is an abundant number, since it is smaller than the sum of its proper divisors (19745658).

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

16422786 is a wasteful number, since it uses less digits than its factorization.

16422786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15026 (or 15023 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 16422786 is about 4052.5036705721. The cubic root of 16422786 is about 254.1844300882.

The spelling of 16422786 in words is "sixteen million, four hundred twenty-two thousand, seven hundred eighty-six".