163464623 has 4 divisors (see below), whose sum is σ = 186816720. Its totient is φ = 140112528.

The previous prime is 163464589. The next prime is 163464659. The reversal of 163464623 is 326464361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163464623 - 2⁶ = 163464559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163464683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11676038 + ... + 11676051.

It is an arithmetic number, because the mean of its divisors is an integer number (46704180).

Almost surely, 2^163464623 is an apocalyptic number.

163464623 is a deficient number, since it is larger than the sum of its proper divisors (23352097).

163464623 is an equidigital number, since it uses as much as digits as its factorization.

163464623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23352096.

The product of its digits is 62208, while the sum is 35.

The square root of 163464623 is about 12785.3284275376. The cubic root of 163464623 is about 546.7740890836.

The spelling of 163464623 in words is "one hundred sixty-three million, four hundred sixty-four thousand, six hundred twenty-three".