163316442 has 16 divisors (see below), whose sum is σ = 327751200. Its totient is φ = 54252432.

The previous prime is 163316441. The next prime is 163316443. The reversal of 163316442 is 244613361.

It is an interprime number because it is at equal distance from previous prime (163316441) and next prime (163316443).

It is not an unprimeable number, because it can be changed into a prime (163316441) 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 7 ways as a sum of consecutive naturals, for example, 44692 + ... + 48207.

It is an arithmetic number, because the mean of its divisors is an integer number (20484450).

Almost surely, 2^163316442 is an apocalyptic number.

163316442 is an abundant number, since it is smaller than the sum of its proper divisors (164434758).

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

163316442 is a wasteful number, since it uses less digits than its factorization.

163316442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93197.

The product of its digits is 10368, while the sum is 30.

The square root of 163316442 is about 12779.5321510609. The cubic root of 163316442 is about 546.6088218753.

The spelling of 163316442 in words is "one hundred sixty-three million, three hundred sixteen thousand, four hundred forty-two".