163242441 has 6 divisors (see below), whose sum is σ = 235794650. Its totient is φ = 108828288.

The previous prime is 163242437. The next prime is 163242461. The reversal of 163242441 is 144242361.

It is a happy number.

163242441 is a `hidden beast` number, since 1 + 632 + 4 + 24 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 127780416 + 35462025 = 11304^2 + 5955^2 .

It is not a de Polignac number, because 163242441 - 2² = 163242437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163242461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9069016 + ... + 9069033.

Almost surely, 2^163242441 is an apocalyptic number.

It is an amenable number.

163242441 is a deficient number, since it is larger than the sum of its proper divisors (72552209).

163242441 is a wasteful number, since it uses less digits than its factorization.

163242441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18138055 (or 18138052 counting only the distinct ones).

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

The square root of 163242441 is about 12776.6365292279. The cubic root of 163242441 is about 546.5262506619.

The spelling of 163242441 in words is "one hundred sixty-three million, two hundred forty-two thousand, four hundred forty-one".