163117035007 has 4 divisors (see below), whose sum is σ = 163936718800. Its totient is φ = 162297351216.

The previous prime is 163117035001. The next prime is 163117035043. The reversal of 163117035007 is 700530711361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163117035007 is a prime.

It is the 403878-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163117035001) by changing a digit.

It is a nontrivial repunit in base 403877.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409841598 + ... + 409841995.

It is an arithmetic number, because the mean of its divisors is an integer number (40984179700).

Almost surely, 2^163117035007 is an apocalyptic number.

163117035007 is a deficient number, since it is larger than the sum of its proper divisors (819683793).

163117035007 is an equidigital number, since it uses as much as digits as its factorization.

163117035007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819683792.

The product of its (nonzero) digits is 13230, while the sum is 34.

Adding to 163117035007 its reverse (700530711361), we get a palindrome (863647746368).

The spelling of 163117035007 in words is "one hundred sixty-three billion, one hundred seventeen million, thirty-five thousand, seven".