16413636 has 48 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 5061120.

The previous prime is 16413629. The next prime is 16413637. The reversal of 16413636 is 63631461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16413637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11785 + ... + 13103.

It is an arithmetic number, because the mean of its divisors is an integer number (859320).

Almost surely, 2^16413636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16413636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20623680).

16413636 is an abundant number, since it is smaller than the sum of its proper divisors (24833724).

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

16413636 is a wasteful number, since it uses less digits than its factorization.

16413636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1402 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 16413636 is about 4051.3745815464. The cubic root of 16413636 is about 254.1372148023.

The spelling of 16413636 in words is "sixteen million, four hundred thirteen thousand, six hundred thirty-six".