206331872316 has 24 divisors (see below), whose sum is σ = 486850487760. Its totient is φ = 68004511872.

The previous prime is 206331872309. The next prime is 206331872317. The reversal of 206331872316 is 613278133602.

It is a super-2 number, since 2×206331872316² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206331872317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96596251 + ... + 96598386.

It is an arithmetic number, because the mean of its divisors is an integer number (20285436990).

Almost surely, 2^206331872316 is an apocalyptic number.

It is an amenable number.

206331872316 is an abundant number, since it is smaller than the sum of its proper divisors (280518615444).

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

206331872316 is a wasteful number, since it uses less digits than its factorization.

206331872316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193194733 (or 193194731 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 206331872316 in words is "two hundred six billion, three hundred thirty-one million, eight hundred seventy-two thousand, three hundred sixteen".