206051758772 has 24 divisors (see below), whose sum is σ = 363932997120. Its totient is φ = 102071080800.

The previous prime is 206051758753. The next prime is 206051758777. The reversal of 206051758772 is 277857150602.

It is a self number, because there is not a number n which added to its sum of digits gives 206051758772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206051758777) 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, 7638773 + ... + 7665699.

It is an arithmetic number, because the mean of its divisors is an integer number (15163874880).

Almost surely, 2^206051758772 is an apocalyptic number.

It is an amenable number.

206051758772 is a deficient number, since it is larger than the sum of its proper divisors (157881238348).

206051758772 is a wasteful number, since it uses less digits than its factorization.

206051758772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44591 (or 44589 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 206051758772 in words is "two hundred six billion, fifty-one million, seven hundred fifty-eight thousand, seven hundred seventy-two".