162256128 has 36 divisors (see below), whose sum is σ = 431839968. Its totient is φ = 54085120.

The previous prime is 162256123. The next prime is 162256141. The reversal of 162256128 is 821652261.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162256121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104868 + ... + 106403.

Almost surely, 2^162256128 is an apocalyptic number.

It is an amenable number.

162256128 is an abundant number, since it is smaller than the sum of its proper divisors (269583840).

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

162256128 is an equidigital number, since it uses as much as digits as its factorization.

162256128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211290 (or 211276 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 162256128 is about 12737.9797456269. The cubic root of 162256128 is about 545.4233200711.

The spelling of 162256128 in words is "one hundred sixty-two million, two hundred fifty-six thousand, one hundred twenty-eight".