163412437 has 4 divisors (see below), whose sum is σ = 163443520. Its totient is φ = 163381356.

The previous prime is 163412399. The next prime is 163412441. The reversal of 163412437 is 734214361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734214361 = 61 ⋅12036301.

It is a cyclic number.

It is not a de Polignac number, because 163412437 - 2¹⁹ = 162888149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163412399 and 163412408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163412497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5487 + ... + 18892.

It is an arithmetic number, because the mean of its divisors is an integer number (40860880).

Almost surely, 2^163412437 is an apocalyptic number.

It is an amenable number.

163412437 is a deficient number, since it is larger than the sum of its proper divisors (31083).

163412437 is an equidigital number, since it uses as much as digits as its factorization.

163412437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31082.

The product of its digits is 12096, while the sum is 31.

The square root of 163412437 is about 12783.2874097393. The cubic root of 163412437 is about 546.7158971048.

Adding to 163412437 its reverse (734214361), we get a palindrome (897626798).

The spelling of 163412437 in words is "one hundred sixty-three million, four hundred twelve thousand, four hundred thirty-seven".