162947328 has 72 divisors (see below), whose sum is σ = 435666336. Its totient is φ = 54067200.

The previous prime is 162947303. The next prime is 162947357. The reversal of 162947328 is 823749261.

It is a self number, because there is not a number n which added to its sum of digits gives 162947328.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253888 + ... + 254528.

Almost surely, 2^162947328 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 162947328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217833168).

162947328 is an abundant number, since it is smaller than the sum of its proper divisors (272719008).

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

162947328 is an equidigital number, since it uses as much as digits as its factorization.

162947328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 977 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 162947328 is about 12765.0823734122. The cubic root of 162947328 is about 546.1967115812.

The spelling of 162947328 in words is "one hundred sixty-two million, nine hundred forty-seven thousand, three hundred twenty-eight".