117170550 has 120 divisors (see below), whose sum is σ = 372159216. Its totient is φ = 26775360.

The previous prime is 117170539. The next prime is 117170561. The reversal of 117170550 is 55071711.

It is an interprime number because it is at equal distance from previous prime (117170539) and next prime (117170561).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 26284 + ... + 30416.

Almost surely, 2^117170550 is an apocalyptic number.

117170550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117170550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186079608).

117170550 is an abundant number, since it is smaller than the sum of its proper divisors (254988666).

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

117170550 is a wasteful number, since it uses less digits than its factorization.

117170550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4150 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 27.

The square root of 117170550 is about 10824.5346320292. The cubic root of 117170550 is about 489.3348604062.

The spelling of 117170550 in words is "one hundred seventeen million, one hundred seventy thousand, five hundred fifty".