162297772 has 96 divisors (see below), whose sum is σ = 380334080. Its totient is φ = 58786560.

The previous prime is 162297769. The next prime is 162297787. The reversal of 162297772 is 277792261.

162297772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214018 + ... + 214774.

Almost surely, 2^162297772 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 162297772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190167040).

162297772 is an abundant number, since it is smaller than the sum of its proper divisors (218036308).

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

162297772 is a wasteful number, since it uses less digits than its factorization.

162297772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 829 counting only the distinct ones).

The product of its digits is 148176, while the sum is 43.

The square root of 162297772 is about 12739.6142798752. The cubic root of 162297772 is about 545.4699781256.

The spelling of 162297772 in words is "one hundred sixty-two million, two hundred ninety-seven thousand, seven hundred seventy-two".