162337728512 has 72 divisors (see below), whose sum is σ = 333611926830. Its totient is φ = 78973747200.

The previous prime is 162337728479. The next prime is 162337728541. The reversal of 162337728512 is 215827733261.

It can be written as a sum of positive squares in 3 ways, for example, as 160845915136 + 1491813376 = 401056^2 + 38624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2774762 + ... + 2832662.

Almost surely, 2^162337728512 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 162337728512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166805963415).

162337728512 is an abundant number, since it is smaller than the sum of its proper divisors (171274198318).

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

162337728512 is an frugal number, since it uses more digits than its factorization.

162337728512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57997 (or 57940 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The spelling of 162337728512 in words is "one hundred sixty-two billion, three hundred thirty-seven million, seven hundred twenty-eight thousand, five hundred twelve".