163612 has 6 divisors (see below), whose sum is σ = 286328. Its totient is φ = 81804.

The previous prime is 163601. The next prime is 163613. The reversal of 163612 is 216361.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 163612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163613) 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 as a sum of consecutive naturals, namely, 20448 + ... + 20455.

2¹⁶³⁶¹² is an apocalyptic number.

It is an amenable number.

163612 is a deficient number, since it is larger than the sum of its proper divisors (122716).

163612 is a wasteful number, since it uses less digits than its factorization.

163612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40907 (or 40905 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 163612 is about 404.4898020964. The cubic root of 163612 is about 54.6938360550.

Adding to 163612 its reverse (216361), we get a palindrome (379973).

The spelling of 163612 in words is "one hundred sixty-three thousand, six hundred twelve".