671066086104 has 96 divisors (see below), whose sum is σ = 1857248640000. Its totient is φ = 218798629056.

The previous prime is 671066086051. The next prime is 671066086123. The reversal of 671066086104 is 401680660176.

It is a super-2 number, since 2×671066086104² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 671066086104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5691057 + ... + 5807775.

It is an arithmetic number, because the mean of its divisors is an integer number (19346340000).

Almost surely, 2^671066086104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671066086104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928624320000).

671066086104 is an abundant number, since it is smaller than the sum of its proper divisors (1186182553896).

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

671066086104 is a wasteful number, since it uses less digits than its factorization.

671066086104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118477 (or 118470 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 671066086104 in words is "six hundred seventy-one billion, sixty-six million, eighty-six thousand, one hundred four".