213200666600 has 48 divisors (see below), whose sum is σ = 517243367520. Its totient is φ = 81572427200.

The previous prime is 213200666597. The next prime is 213200666633. The reversal of 213200666600 is 6666002312.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23169386 + ... + 23178585.

It is an arithmetic number, because the mean of its divisors is an integer number (10775903490).

Almost surely, 2^213200666600 is an apocalyptic number.

213200666600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213200666600 is an abundant number, since it is smaller than the sum of its proper divisors (304042700920).

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

213200666600 is a wasteful number, since it uses less digits than its factorization.

213200666600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46348010 (or 46348001 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 213200666600 its reverse (6666002312), we get a palindrome (219866668912).

The spelling of 213200666600 in words is "two hundred thirteen billion, two hundred million, six hundred sixty-six thousand, six hundred".