180420586806 has 16 divisors (see below), whose sum is σ = 360856697904. Its totient is φ = 60137608224.

The previous prime is 180420586733. The next prime is 180420586811. The reversal of 180420586806 is 608685024081.

It is a happy number.

180420586806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 492945 + ... + 777068.

It is an arithmetic number, because the mean of its divisors is an integer number (22553543619).

Almost surely, 2^180420586806 is an apocalyptic number.

180420586806 is an abundant number, since it is smaller than the sum of its proper divisors (180436111098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180420586806 is a wasteful number, since it uses less digits than its factorization.

180420586806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293695.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 180420586806 in words is "one hundred eighty billion, four hundred twenty million, five hundred eighty-six thousand, eight hundred six".