163242312 has 16 divisors (see below), whose sum is σ = 408105840. Its totient is φ = 54414096.

The previous prime is 163242269. The next prime is 163242323. The reversal of 163242312 is 213242361.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 6801763 = 163242312 / (1 + 6 + 3 + 2 + 4 + 2 + 3 + 1 + 2).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3400858 + ... + 3400905.

It is an arithmetic number, because the mean of its divisors is an integer number (25506615).

Almost surely, 2^163242312 is an apocalyptic number.

163242312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163242312 is an abundant number, since it is smaller than the sum of its proper divisors (244863528).

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

163242312 is a wasteful number, since it uses less digits than its factorization.

163242312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801772 (or 6801768 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 163242312 is about 12776.6314809499. The cubic root of 163242312 is about 546.5261067003.

Adding to 163242312 its reverse (213242361), we get a palindrome (376484673).

The spelling of 163242312 in words is "one hundred sixty-three million, two hundred forty-two thousand, three hundred twelve".