206810163252 has 120 divisors (see below), whose sum is σ = 674048020800. Its totient is φ = 53716919040.

The previous prime is 206810163191. The next prime is 206810163299. The reversal of 206810163252 is 252361018602.

206810163252 is a `hidden beast` number, since 2 + 0 + 6 + 8 + 10 + 1 + 632 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4119877 + ... + 4169772.

It is an arithmetic number, because the mean of its divisors is an integer number (5617066840).

Almost surely, 2^206810163252 is an apocalyptic number.

206810163252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

206810163252 is an abundant number, since it is smaller than the sum of its proper divisors (467237857548).

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

206810163252 is a wasteful number, since it uses less digits than its factorization.

206810163252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8289683 (or 8289672 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 206810163252 in words is "two hundred six billion, eight hundred ten million, one hundred sixty-three thousand, two hundred fifty-two".