163400005 has 8 divisors (see below), whose sum is σ = 207614232. Its totient is φ = 123030528.

The previous prime is 163399997. The next prime is 163400011. The reversal of 163400005 is 500004361.

163400005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29257281 + 134142724 = 5409^2 + 11582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163400005 - 2³ = 163399997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961092 + ... + 961261.

It is an arithmetic number, because the mean of its divisors is an integer number (25951779).

Almost surely, 2^163400005 is an apocalyptic number.

It is an amenable number.

163400005 is a deficient number, since it is larger than the sum of its proper divisors (44214227).

163400005 is a wasteful number, since it uses less digits than its factorization.

163400005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922375.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 163400005 is about 12782.8011405951. The cubic root of 163400005 is about 546.7020325045.

Adding to 163400005 its reverse (500004361), we get a palindrome (663404366).

The spelling of 163400005 in words is "one hundred sixty-three million, four hundred thousand, five".