117170802018 has 64 divisors (see below), whose sum is σ = 261940371840. Its totient is φ = 38823364800.

The previous prime is 117170802017. The next prime is 117170802041. The reversal of 117170802018 is 810208071711.

It is not an unprimeable number, because it can be changed into a prime (117170802017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8095308 + ... + 8109768.

It is an arithmetic number, because the mean of its divisors is an integer number (4092818310).

Almost surely, 2^117170802018 is an apocalyptic number.

117170802018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117170802018 is an abundant number, since it is smaller than the sum of its proper divisors (144769569822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117170802018 is a wasteful number, since it uses less digits than its factorization.

117170802018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15360 (or 15354 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 36.

Adding to 117170802018 its reverse (810208071711), we get a palindrome (927378873729).

The spelling of 117170802018 in words is "one hundred seventeen billion, one hundred seventy million, eight hundred two thousand, eighteen".