766556366873 has 16 divisors (see below), whose sum is σ = 856705030272. Its totient is φ = 679820592000.

The previous prime is 766556366867. The next prime is 766556366921. The reversal of 766556366873 is 378663655667.

It is not a de Polignac number, because 766556366873 - 2⁴ = 766556366857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766556366573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6590540 + ... + 6705842.

It is an arithmetic number, because the mean of its divisors is an integer number (53544064392).

Almost surely, 2^766556366873 is an apocalyptic number.

It is an amenable number.

766556366873 is a deficient number, since it is larger than the sum of its proper divisors (90148663399).

766556366873 is a wasteful number, since it uses less digits than its factorization.

766556366873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130096.

The product of its digits is 685843200, while the sum is 68.

The spelling of 766556366873 in words is "seven hundred sixty-six billion, five hundred fifty-six million, three hundred sixty-six thousand, eight hundred seventy-three".