206104155710757 has 32 divisors (see below), whose sum is σ = 277871137614720. Its totient is φ = 135873420883200.

The previous prime is 206104155710683. The next prime is 206104155710801. The reversal of 206104155710757 is 757017551401602.

It is not a de Polignac number, because 206104155710757 - 2⁸ = 206104155710501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206104255710757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1233504303 + ... + 1233671379.

It is an arithmetic number, because the mean of its divisors is an integer number (8683473050460).

Almost surely, 2^{206104155710757} is an apocalyptic number.

It is an amenable number.

206104155710757 is a deficient number, since it is larger than the sum of its proper divisors (71766981903963).

206104155710757 is a wasteful number, since it uses less digits than its factorization.

206104155710757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172213.

The product of its (nonzero) digits is 2058000, while the sum is 51.

The spelling of 206104155710757 in words is "two hundred six trillion, one hundred four billion, one hundred fifty-five million, seven hundred ten thousand, seven hundred fifty-seven".