206655140612535 has 8 divisors (see below), whose sum is σ = 330648224980080. Its totient is φ = 110216074993344.

The previous prime is 206655140612491. The next prime is 206655140612563. The reversal of 206655140612535 is 535216041556602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206655140612535 - 2⁸ = 206655140612279 is a prime.

It is a super-2 number, since 2×206655140612535² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6888504687070 + ... + 6888504687099.

It is an arithmetic number, because the mean of its divisors is an integer number (41331028122510).

Almost surely, 2^{206655140612535} is an apocalyptic number.

206655140612535 is a deficient number, since it is larger than the sum of its proper divisors (123993084367545).

206655140612535 is a wasteful number, since it uses less digits than its factorization.

206655140612535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13777009374177.

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 206655140612535 in words is "two hundred six trillion, six hundred fifty-five billion, one hundred forty million, six hundred twelve thousand, five hundred thirty-five".