117318164027 has 4 divisors (see below), whose sum is σ = 117318849096. Its totient is φ = 117317478960.

The previous prime is 117318164023. The next prime is 117318164039. The reversal of 117318164027 is 720461813711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 720461813711 = 419 ⋅1719479269.

It is a cyclic number.

It is not a de Polignac number, because 117318164027 - 2² = 117318164023 is a prime.

It is a super-2 number, since 2×117318164027² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117318164023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166208 + ... + 512114.

It is an arithmetic number, because the mean of its divisors is an integer number (29329712274).

Almost surely, 2^117318164027 is an apocalyptic number.

117318164027 is a deficient number, since it is larger than the sum of its proper divisors (685069).

117318164027 is an equidigital number, since it uses as much as digits as its factorization.

117318164027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685068.

The product of its (nonzero) digits is 56448, while the sum is 41.

Adding to 117318164027 its reverse (720461813711), we get a palindrome (837779977738).

The spelling of 117318164027 in words is "one hundred seventeen billion, three hundred eighteen million, one hundred sixty-four thousand, twenty-seven".