167998168 has 48 divisors (see below), whose sum is σ = 343959480. Its totient is φ = 76886784.

The previous prime is 167998151. The next prime is 167998169. The reversal of 167998168 is 861899761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167998169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184771 + ... + 185677.

Almost surely, 2^167998168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167998168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171979740).

167998168 is an abundant number, since it is smaller than the sum of its proper divisors (175961312).

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

167998168 is a wasteful number, since it uses less digits than its factorization.

167998168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1059 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 55.

The square root of 167998168 is about 12961.4107256888. The cubic root of 167998168 is about 551.7828295748.

The spelling of 167998168 in words is "one hundred sixty-seven million, nine hundred ninety-eight thousand, one hundred sixty-eight".