206766018275 has 12 divisors (see below), whose sum is σ = 256423325952. Its totient is φ = 165391225440.

The previous prime is 206766018259. The next prime is 206766018289. The reversal of 206766018275 is 572810667602.

It is not a de Polignac number, because 206766018275 - 2⁴ = 206766018259 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342947 + ... + 728796.

It is an arithmetic number, because the mean of its divisors is an integer number (21368610496).

Almost surely, 2^206766018275 is an apocalyptic number.

206766018275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

206766018275 is a deficient number, since it is larger than the sum of its proper divisors (49657307677).

206766018275 is a wasteful number, since it uses less digits than its factorization.

206766018275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079470 (or 1079465 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 206766018275 in words is "two hundred six billion, seven hundred sixty-six million, eighteen thousand, two hundred seventy-five".