846417478964664 has 16 divisors (see below), whose sum is σ = 2116043697411720. Its totient is φ = 282139159654880.

The previous prime is 846417478964663. The next prime is 846417478964683. The reversal of 846417478964664 is 466469874714648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846417478964663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17633697478407 + ... + 17633697478454.

Almost surely, 2^{846417478964664} is an apocalyptic number.

It is an amenable number.

846417478964664 is an abundant number, since it is smaller than the sum of its proper divisors (1269626218447056).

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

846417478964664 is a wasteful number, since it uses less digits than its factorization.

846417478964664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35267394956870 (or 35267394956866 counting only the distinct ones).

The product of its digits is 37456183296, while the sum is 84.

The spelling of 846417478964664 in words is "eight hundred forty-six trillion, four hundred seventeen billion, four hundred seventy-eight million, nine hundred sixty-four thousand, six hundred sixty-four".