162904128 has 56 divisors (see below), whose sum is σ = 435510432. Its totient is φ = 53735424.

The previous prime is 162904127. The next prime is 162904151. The reversal of 162904128 is 821409261.

It is not an unprimeable number, because it can be changed into a prime (162904121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14251 + ... + 22997.

It is an arithmetic number, because the mean of its divisors is an integer number (7776972).

Almost surely, 2^162904128 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 162904128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217755216).

162904128 is an abundant number, since it is smaller than the sum of its proper divisors (272606304).

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

162904128 is an equidigital number, since it uses as much as digits as its factorization.

162904128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859 (or 8849 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 162904128 is about 12763.3901452553. The cubic root of 162904128 is about 546.1484387564.

The spelling of 162904128 in words is "one hundred sixty-two million, nine hundred four thousand, one hundred twenty-eight".