163473621914 has 4 divisors (see below), whose sum is σ = 245210432874. Its totient is φ = 81736810956.

The previous prime is 163473621893. The next prime is 163473621923. The reversal of 163473621914 is 419126374361.

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

It can be written as a sum of positive squares in only one way, i.e., 82751152225 + 80722469689 = 287665^2 + 284117^2 .

It is a super-3 number, since 3×163473621914³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40868405477 + ... + 40868405480.

Almost surely, 2^163473621914 is an apocalyptic number.

163473621914 is a deficient number, since it is larger than the sum of its proper divisors (81736810960).

163473621914 is an equidigital number, since it uses as much as digits as its factorization.

163473621914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81736810959.

The product of its digits is 653184, while the sum is 47.

The spelling of 163473621914 in words is "one hundred sixty-three billion, four hundred seventy-three million, six hundred twenty-one thousand, nine hundred fourteen".