671225201841 has 16 divisors (see below), whose sum is σ = 897876239040. Its totient is φ = 446031175680.

The previous prime is 671225201839. The next prime is 671225201861. The reversal of 671225201841 is 148102522176.

It is not a de Polignac number, because 671225201841 - 2¹ = 671225201839 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 671225201841.

It is not an unprimeable number, because it can be changed into a prime (671225201861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846030 + ... + 1434648.

It is an arithmetic number, because the mean of its divisors is an integer number (56117264940).

Almost surely, 2^671225201841 is an apocalyptic number.

It is an amenable number.

671225201841 is a deficient number, since it is larger than the sum of its proper divisors (226651037199).

671225201841 is a wasteful number, since it uses less digits than its factorization.

671225201841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589856.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 671225201841 in words is "six hundred seventy-one billion, two hundred twenty-five million, two hundred one thousand, eight hundred forty-one".