206756740095 has 8 divisors (see below), whose sum is σ = 330810784176. Its totient is φ = 110270261376.

The previous prime is 206756740067. The next prime is 206756740117. The reversal of 206756740095 is 590047657602.

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

It is not a de Polignac number, because 206756740095 - 2¹¹ = 206756738047 is a prime.

It is a super-2 number, since 2×206756740095² (a number of 23 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6891891322 + ... + 6891891351.

It is an arithmetic number, because the mean of its divisors is an integer number (41351348022).

Almost surely, 2^206756740095 is an apocalyptic number.

206756740095 is a deficient number, since it is larger than the sum of its proper divisors (124054044081).

206756740095 is a wasteful number, since it uses less digits than its factorization.

206756740095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13783782681.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 206756740095 in words is "two hundred six billion, seven hundred fifty-six million, seven hundred forty thousand, ninety-five".