851580840106 has 8 divisors (see below), whose sum is σ = 1281532079520. Its totient is φ = 424403480268.

The previous prime is 851580840079. The next prime is 851580840107. The reversal of 851580840106 is 601048085158.

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

It is not an unprimeable number, because it can be changed into a prime (851580840107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693469126 + ... + 693470353.

It is an arithmetic number, because the mean of its divisors is an integer number (160191509940).

Almost surely, 2^851580840106 is an apocalyptic number.

851580840106 is a deficient number, since it is larger than the sum of its proper divisors (429951239414).

851580840106 is a wasteful number, since it uses less digits than its factorization.

851580840106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386939788.

The product of its (nonzero) digits is 307200, while the sum is 46.

The spelling of 851580840106 in words is "eight hundred fifty-one billion, five hundred eighty million, eight hundred forty thousand, one hundred six".