163136401 has 8 divisors (see below), whose sum is σ = 170420544. Its totient is φ = 155868240.

The previous prime is 163136359. The next prime is 163136411. The reversal of 163136401 is 104631361.

It is a happy number.

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

It is not a de Polignac number, because 163136401 - 2⁷ = 163136273 is a prime.

It is a super-2 number, since 2×163136401² = 53226970662465602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163136411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20010 + ... + 26956.

It is an arithmetic number, because the mean of its divisors is an integer number (21302568).

Almost surely, 2^163136401 is an apocalyptic number.

It is an amenable number.

163136401 is a deficient number, since it is larger than the sum of its proper divisors (7284143).

163136401 is a wasteful number, since it uses less digits than its factorization.

163136401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 163136401 is about 12772.4860931613. The cubic root of 163136401 is about 546.4078864333.

Adding to 163136401 its reverse (104631361), we get a palindrome (267767762).

The spelling of 163136401 in words is "one hundred sixty-three million, one hundred thirty-six thousand, four hundred one".