238518168 has 64 divisors (see below), whose sum is σ = 685896960. Its totient is φ = 67706496.

The previous prime is 238518151. The next prime is 238518187. The reversal of 238518168 is 861815832.

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

238518168 is a Rhonda number in base 10.

Its product of digits (92160) is a multiple of the sum of its prime factors (9216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21855 + ... + 30897.

It is an arithmetic number, because the mean of its divisors is an integer number (10717140).

Almost surely, 2^238518168 is an apocalyptic number.

238518168 is a gapful number since it is divisible by the number (28) 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 238518168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342948480).

238518168 is an abundant number, since it is smaller than the sum of its proper divisors (447378792).

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

238518168 is a wasteful number, since it uses less digits than its factorization.

238518168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9216 (or 9212 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 238518168 is about 15444.0334109973. The cubic root of 238518168 is about 620.1648607721.

The spelling of 238518168 in words is "two hundred thirty-eight million, five hundred eighteen thousand, one hundred sixty-eight".