206130601805 has 8 divisors (see below), whose sum is σ = 247491826944. Its totient is φ = 164814411600.

The previous prime is 206130601783. The next prime is 206130601813. The reversal of 206130601805 is 508106031602.

It is a happy number.

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

It is not a de Polignac number, because 206130601805 - 2³⁰ = 205056859981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11248661 + ... + 11266970.

It is an arithmetic number, because the mean of its divisors is an integer number (30936478368).

Almost surely, 2^206130601805 is an apocalyptic number.

It is an amenable number.

206130601805 is a deficient number, since it is larger than the sum of its proper divisors (41361225139).

206130601805 is a wasteful number, since it uses less digits than its factorization.

206130601805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22517467.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 206130601805 in words is "two hundred six billion, one hundred thirty million, six hundred one thousand, eight hundred five".