162423056 has 40 divisors (see below), whose sum is σ = 329443200. Its totient is φ = 77428736.

The previous prime is 162423013. The next prime is 162423061. The reversal of 162423056 is 650324261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164741 + ... + 165723.

It is an arithmetic number, because the mean of its divisors is an integer number (8236080).

Almost surely, 2^162423056 is an apocalyptic number.

162423056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162423056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164721600).

162423056 is an abundant number, since it is smaller than the sum of its proper divisors (167020144).

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

162423056 is a wasteful number, since it uses less digits than its factorization.

162423056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 162423056 is about 12744.5304346610. The cubic root of 162423056 is about 545.6102985646.

The spelling of 162423056 in words is "one hundred sixty-two million, four hundred twenty-three thousand, fifty-six".