162543587664 has 20 divisors (see below), whose sum is σ = 419904268256. Its totient is φ = 54181195872.

The previous prime is 162543587641. The next prime is 162543587683. The reversal of 162543587664 is 466785345261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693162324 + ... + 1693162419.

Almost surely, 2^162543587664 is an apocalyptic number.

It is an amenable number.

162543587664 is an abundant number, since it is smaller than the sum of its proper divisors (257360680592).

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

162543587664 is a wasteful number, since it uses less digits than its factorization.

162543587664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386324754 (or 3386324748 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 57.

The spelling of 162543587664 in words is "one hundred sixty-two billion, five hundred forty-three million, five hundred eighty-seven thousand, six hundred sixty-four".