671111802486 has 48 divisors (see below), whose sum is σ = 1463189792064. Its totient is φ = 222302111472.

The previous prime is 671111802469. The next prime is 671111802511. The reversal of 671111802486 is 684208111176.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 43494705 + ... + 43510131.

It is an arithmetic number, because the mean of its divisors is an integer number (30483120668).

Almost surely, 2^671111802486 is an apocalyptic number.

671111802486 is an abundant number, since it is smaller than the sum of its proper divisors (792077989578).

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

671111802486 is a wasteful number, since it uses less digits than its factorization.

671111802486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30425 (or 30422 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 671111802486 in words is "six hundred seventy-one billion, one hundred eleven million, eight hundred two thousand, four hundred eighty-six".