163542334 has 4 divisors (see below), whose sum is σ = 245313504. Its totient is φ = 81771166.

The previous prime is 163542307. The next prime is 163542343. The reversal of 163542334 is 433245361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433245361 = 163 ⋅2657947.

It is a junction number, because it is equal to n+sod(n) for n = 163542296 and 163542305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40885582 + ... + 40885585.

It is an arithmetic number, because the mean of its divisors is an integer number (61328376).

Almost surely, 2^163542334 is an apocalyptic number.

163542334 is a deficient number, since it is larger than the sum of its proper divisors (81771170).

163542334 is an equidigital number, since it uses as much as digits as its factorization.

163542334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81771169.

The product of its digits is 25920, while the sum is 31.

The square root of 163542334 is about 12788.3671357996. The cubic root of 163542334 is about 546.8607207330.

Adding to 163542334 its reverse (433245361), we get a palindrome (596787695).

The spelling of 163542334 in words is "one hundred sixty-three million, five hundred forty-two thousand, three hundred thirty-four".