16636033240 has 96 divisors (see below), whose sum is σ = 38612019600. Its totient is φ = 6450716160.

The previous prime is 16636033237. The next prime is 16636033289. The reversal of 16636033240 is 4233063661.

It is a junction number, because it is equal to n+sod(n) for n = 16636033196 and 16636033205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25244031 + ... + 25244689.

Almost surely, 2^16636033240 is an apocalyptic number.

16636033240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16636033240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19306009800).

16636033240 is an abundant number, since it is smaller than the sum of its proper divisors (21975986360).

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

16636033240 is a wasteful number, since it uses less digits than its factorization.

16636033240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 16636033240 in words is "sixteen billion, six hundred thirty-six million, thirty-three thousand, two hundred forty".