16422636 has 24 divisors (see below), whose sum is σ = 38752560. Its totient is φ = 5412352.

The previous prime is 16422617. The next prime is 16422641. The reversal of 16422636 is 63622461.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6621 + ... + 8756.

It is an arithmetic number, because the mean of its divisors is an integer number (1614690).

Almost surely, 2^16422636 is an apocalyptic number.

It is an amenable number.

16422636 is an abundant number, since it is smaller than the sum of its proper divisors (22329924).

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

16422636 is a wasteful number, since it uses less digits than its factorization.

16422636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473 (or 15471 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 16422636 is about 4052.4851634522. The cubic root of 16422636 is about 254.1836562085.

It can be divided in two parts, 1642 and 2636, that added together give a triangular number (4278 = T₉₂).

The spelling of 16422636 in words is "sixteen million, four hundred twenty-two thousand, six hundred thirty-six".