162538691448 has 320 divisors, whose sum is σ = 491696503200. Its totient is φ = 44739932160.

The previous prime is 162538691401. The next prime is 162538691453. The reversal of 162538691448 is 844196835261.

162538691448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 210269590 + ... + 210270362.

Almost surely, 2^162538691448 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 162538691448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245848251600).

162538691448 is an abundant number, since it is smaller than the sum of its proper divisors (329157811752).

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

162538691448 is an equidigital number, since it uses as much as digits as its factorization.

162538691448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 915 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 162538691448 in words is "one hundred sixty-two billion, five hundred thirty-eight million, six hundred ninety-one thousand, four hundred forty-eight".