162656442 has 96 divisors (see below), whose sum is σ = 415134720. Its totient is φ = 45550080.

The previous prime is 162656419. The next prime is 162656453. The reversal of 162656442 is 244656261.

162656442 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 5 + 644 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 162656397 and 162656406.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122659 + ... + 123977.

It is an arithmetic number, because the mean of its divisors is an integer number (4324320).

Almost surely, 2^162656442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162656442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207567360).

162656442 is an abundant number, since it is smaller than the sum of its proper divisors (252478278).

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

162656442 is a wasteful number, since it uses less digits than its factorization.

162656442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1385 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 162656442 is about 12753.6834679241. The cubic root of 162656442 is about 545.8715029902.

The spelling of 162656442 in words is "one hundred sixty-two million, six hundred fifty-six thousand, four hundred forty-two".