163501142 has 12 divisors (see below), whose sum is σ = 285292980. Its totient is φ = 70071876.

The previous prime is 163501141. The next prime is 163501207. The reversal of 163501142 is 241105361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163501141) 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, 834092 + ... + 834287.

It is an arithmetic number, because the mean of its divisors is an integer number (23774415).

Almost surely, 2^163501142 is an apocalyptic number.

163501142 is a deficient number, since it is larger than the sum of its proper divisors (121791838).

163501142 is a wasteful number, since it uses less digits than its factorization.

163501142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668395 (or 1668388 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 163501142 is about 12786.7565082002. The cubic root of 163501142 is about 546.8148036142.

The spelling of 163501142 in words is "one hundred sixty-three million, five hundred one thousand, one hundred forty-two".