806518400186 has 8 divisors (see below), whose sum is σ = 1209897422400. Its totient is φ = 403219259388.

The previous prime is 806518400143. The next prime is 806518400203. The reversal of 806518400186 is 681004815608.

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

It is a self number, because there is not a number n which added to its sum of digits gives 806518400186.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19945106 + ... + 19985501.

It is an arithmetic number, because the mean of its divisors is an integer number (151237177800).

Almost surely, 2^806518400186 is an apocalyptic number.

806518400186 is a deficient number, since it is larger than the sum of its proper divisors (403379022214).

806518400186 is a wasteful number, since it uses less digits than its factorization.

806518400186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39940708.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 806518400186 in words is "eight hundred six billion, five hundred eighteen million, four hundred thousand, one hundred eighty-six".