216091798300 has 54 divisors (see below), whose sum is σ = 545477451792. Its totient is φ = 74088614880.

The previous prime is 216091798261. The next prime is 216091798387. The reversal of 216091798300 is 3897190612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22045284 + ... + 22055083.

Almost surely, 2^216091798300 is an apocalyptic number.

216091798300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216091798300 is an abundant number, since it is smaller than the sum of its proper divisors (329385653492).

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

216091798300 is a wasteful number, since it uses less digits than its factorization.

216091798300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44100395 (or 44100381 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 216091798300 in words is "two hundred sixteen billion, ninety-one million, seven hundred ninety-eight thousand, three hundred".