163185042 has 16 divisors (see below), whose sum is σ = 326495520. Its totient is φ = 54374112.

The previous prime is 163185019. The next prime is 163185047. The reversal of 163185042 is 240581361.

It is not an unprimeable number, because it can be changed into a prime (163185047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26553 + ... + 32115.

It is an arithmetic number, because the mean of its divisors is an integer number (20405970).

Almost surely, 2^163185042 is an apocalyptic number.

163185042 is an abundant number, since it is smaller than the sum of its proper divisors (163310478).

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

163185042 is a wasteful number, since it uses less digits than its factorization.

163185042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10457.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 163185042 is about 12774.3900832877. The cubic root of 163185042 is about 546.4621869753.

The spelling of 163185042 in words is "one hundred sixty-three million, one hundred eighty-five thousand, forty-two".