163117209969 has 16 divisors (see below), whose sum is σ = 276177287040. Its totient is φ = 93209834160.

The previous prime is 163117209929. The next prime is 163117209979. The reversal of 163117209969 is 969902711361.

It is not a de Polignac number, because 163117209969 - 2⁷ = 163117209841 is a prime.

It is a super-2 number, since 2×163117209969² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163117209919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431526822 + ... + 431527199.

It is an arithmetic number, because the mean of its divisors is an integer number (17261080440).

Almost surely, 2^163117209969 is an apocalyptic number.

It is an amenable number.

163117209969 is a deficient number, since it is larger than the sum of its proper divisors (113060077071).

163117209969 is an equidigital number, since it uses as much as digits as its factorization.

163117209969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863054037 (or 863054031 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The spelling of 163117209969 in words is "one hundred sixty-three billion, one hundred seventeen million, two hundred nine thousand, nine hundred sixty-nine".