162644868568 has 72 divisors (see below), whose sum is σ = 384135969780. Its totient is φ = 64342998720.

The previous prime is 162644868511. The next prime is 162644868569. The reversal of 162644868568 is 865868446261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162644868569) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 1161298 + ... + 1293793.

Almost surely, 2^162644868568 is an apocalyptic number.

It is an amenable number.

162644868568 is an abundant number, since it is smaller than the sum of its proper divisors (221491101212).

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

162644868568 is a wasteful number, since it uses less digits than its factorization.

162644868568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455137 (or 2455113 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 64.

The spelling of 162644868568 in words is "one hundred sixty-two billion, six hundred forty-four million, eight hundred sixty-eight thousand, five hundred sixty-eight".