16204212636 has 24 divisors (see below), whose sum is σ = 37844326800. Its totient is φ = 5396476032.

The previous prime is 16204212623. The next prime is 16204212679. The reversal of 16204212636 is 63621240261.

It is a junction number, because it is equal to n+sod(n) for n = 16204212597 and 16204212606.

It is a congruent number.

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, 602311 + ... + 628638.

It is an arithmetic number, because the mean of its divisors is an integer number (1576846950).

Almost surely, 2^16204212636 is an apocalyptic number.

It is an amenable number.

16204212636 is an abundant number, since it is smaller than the sum of its proper divisors (21640114164).

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

16204212636 is a wasteful number, since it uses less digits than its factorization.

16204212636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232053 (or 1232051 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 16204212636 its reverse (63621240261), we get a palindrome (79825452897).

The spelling of 16204212636 in words is "sixteen billion, two hundred four million, two hundred twelve thousand, six hundred thirty-six".