163207442 has 8 divisors (see below), whose sum is σ = 244924032. Its totient is φ = 81566100.

The previous prime is 163207441. The next prime is 163207477. The reversal of 163207442 is 244702361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (163207441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13034 + ... + 22277.

It is an arithmetic number, because the mean of its divisors is an integer number (30615504).

Almost surely, 2^163207442 is an apocalyptic number.

163207442 is a deficient number, since it is larger than the sum of its proper divisors (81716590).

163207442 is a wasteful number, since it uses less digits than its factorization.

163207442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37624.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 163207442 is about 12775.2668073900. The cubic root of 163207442 is about 546.4871896610.

The spelling of 163207442 in words is "one hundred sixty-three million, two hundred seven thousand, four hundred forty-two".