163346513 has 4 divisors (see below), whose sum is σ = 178196208. Its totient is φ = 148496820.

The previous prime is 163346509. The next prime is 163346537. The reversal of 163346513 is 315643361.

163346513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 163346513 - 2² = 163346509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163346513.

It is not an unprimeable number, because it can be changed into a prime (163346503) 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, 7424831 + ... + 7424852.

It is an arithmetic number, because the mean of its divisors is an integer number (44549052).

Almost surely, 2^163346513 is an apocalyptic number.

It is an amenable number.

163346513 is a deficient number, since it is larger than the sum of its proper divisors (14849695).

163346513 is a wasteful number, since it uses less digits than its factorization.

163346513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14849694.

The product of its digits is 19440, while the sum is 32.

The square root of 163346513 is about 12780.7086266764. The cubic root of 163346513 is about 546.6423683347.

Adding to 163346513 its reverse (315643361), we get a palindrome (478989874).

The spelling of 163346513 in words is "one hundred sixty-three million, three hundred forty-six thousand, five hundred thirteen".