167988 has 12 divisors (see below), whose sum is σ = 392000. Its totient is φ = 55992.

The previous prime is 167987. The next prime is 168013. The reversal of 167988 is 889761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6988 + ... + 7011.

2¹⁶⁷⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

167988 is an abundant number, since it is smaller than the sum of its proper divisors (224012).

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

167988 is a wasteful number, since it uses less digits than its factorization.

167988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14006 (or 14004 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 167988 is about 409.8633918759. The cubic root of 167988 is about 55.1771697229.

The spelling of 167988 in words is "one hundred sixty-seven thousand, nine hundred eighty-eight".