163122444 has 24 divisors (see below), whose sum is σ = 422910320. Its totient is φ = 54374112.

The previous prime is 163122409. The next prime is 163122451. The reversal of 163122444 is 444221361.

It is a happy number.

163122444 is a `hidden beast` number, since 1 + 631 + 2 + 24 + 4 + 4 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

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, 755089 + ... + 755304.

Almost surely, 2^163122444 is an apocalyptic number.

It is an amenable number.

163122444 is an abundant number, since it is smaller than the sum of its proper divisors (259787876).

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

163122444 is a wasteful number, since it uses less digits than its factorization.

163122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510406 (or 1510398 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 163122444 is about 12771.9397117274. The cubic root of 163122444 is about 546.3923034972.

The spelling of 163122444 in words is "one hundred sixty-three million, one hundred twenty-two thousand, four hundred forty-four".