163542334234 has 16 divisors (see below), whose sum is σ = 245523702240. Its totient is φ = 81701132400.

The previous prime is 163542334231. The next prime is 163542334237. The reversal of 163542334234 is 432433245361.

It is an interprime number because it is at equal distance from previous prime (163542334231) and next prime (163542334237).

It is not an unprimeable number, because it can be changed into a prime (163542334231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16583197 + ... + 16593055.

It is an arithmetic number, because the mean of its divisors is an integer number (15345231390).

Almost surely, 2^163542334234 is an apocalyptic number.

163542334234 is a deficient number, since it is larger than the sum of its proper divisors (81981368006).

163542334234 is a wasteful number, since it uses less digits than its factorization.

163542334234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125.

The product of its digits is 622080, while the sum is 40.

Adding to 163542334234 its reverse (432433245361), we get a palindrome (595975579595).

The spelling of 163542334234 in words is "one hundred sixty-three billion, five hundred forty-two million, three hundred thirty-four thousand, two hundred thirty-four".