206623628260 has 36 divisors (see below), whose sum is σ = 504752008572. Its totient is φ = 70842386496.

The previous prime is 206623628221. The next prime is 206623628273. The reversal of 206623628260 is 62826326602.

It can be written as a sum of positive squares in 2 ways, for example, as 129496340736 + 77127287524 = 359856^2 + 277718^2 .

It is a super-3 number, since 3×206623628260³ (a number of 35 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 105419239 + ... + 105421198.

It is an arithmetic number, because the mean of its divisors is an integer number (14020889127).

Almost surely, 2^206623628260 is an apocalyptic number.

206623628260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206623628260 is an abundant number, since it is smaller than the sum of its proper divisors (298128380312).

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

206623628260 is a wasteful number, since it uses less digits than its factorization.

206623628260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210840460 (or 210840451 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 206623628260 in words is "two hundred six billion, six hundred twenty-three million, six hundred twenty-eight thousand, two hundred sixty".