117170653860 has 144 divisors (see below), whose sum is σ = 383613375600. Its totient is φ = 28777512960.

The previous prime is 117170653813. The next prime is 117170653867. The reversal of 117170653860 is 68356071711.

It can be written as a sum of positive squares in 8 ways, for example, as 6457408164 + 110713245696 = 80358^2 + 332736^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (117170653867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 994900 + ... + 1106420.

It is an arithmetic number, because the mean of its divisors is an integer number (2663981775).

Almost surely, 2^117170653860 is an apocalyptic number.

117170653860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117170653860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191806687800).

117170653860 is an abundant number, since it is smaller than the sum of its proper divisors (266442721740).

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

117170653860 is a wasteful number, since it uses less digits than its factorization.

117170653860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111998 (or 111993 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 117170653860 in words is "one hundred seventeen billion, one hundred seventy million, six hundred fifty-three thousand, eight hundred sixty".