163708842 has 32 divisors (see below), whose sum is σ = 360013824. Its totient is φ = 49215600.

The previous prime is 163708841. The next prime is 163708843. The reversal of 163708842 is 248807361.

It is an interprime number because it is at equal distance from previous prime (163708841) and next prime (163708843).

It is a self number, because there is not a number n which added to its sum of digits gives 163708842.

It is not an unprimeable number, because it can be changed into a prime (163708841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384 + ... + 18147.

It is an arithmetic number, because the mean of its divisors is an integer number (11250432).

Almost surely, 2^163708842 is an apocalyptic number.

163708842 is an abundant number, since it is smaller than the sum of its proper divisors (196304982).

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

163708842 is a wasteful number, since it uses less digits than its factorization.

163708842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19674.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 163708842 is about 12794.8756148702. The cubic root of 163708842 is about 547.0462502684.

The spelling of 163708842 in words is "one hundred sixty-three million, seven hundred eight thousand, eight hundred forty-two".