117168198 has 32 divisors (see below), whose sum is σ = 268525824. Its totient is φ = 33387552.

The previous prime is 117168197. The next prime is 117168217. The reversal of 117168198 is 891861711.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117168197) 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, 13161 + ... + 20187.

It is an arithmetic number, because the mean of its divisors is an integer number (8391432).

Almost surely, 2^117168198 is an apocalyptic number.

117168198 is an abundant number, since it is smaller than the sum of its proper divisors (151357626).

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

117168198 is a wasteful number, since it uses less digits than its factorization.

117168198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7436.

The product of its digits is 24192, while the sum is 42.

The square root of 117168198 is about 10824.4259894001. The cubic root of 117168198 is about 489.3315861952.

The spelling of 117168198 in words is "one hundred seventeen million, one hundred sixty-eight thousand, one hundred ninety-eight".