167980159 has 6 divisors (see below), whose sum is σ = 177286920. Its totient is φ = 159138756.

The previous prime is 167980147. The next prime is 167980181. The reversal of 167980159 is 951089761.

It is a happy number.

167980159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 167980159 - 2²⁵ = 134425727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167980129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232299 + ... + 233020.

It is an arithmetic number, because the mean of its divisors is an integer number (29547820).

Almost surely, 2^167980159 is an apocalyptic number.

167980159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

167980159 is a deficient number, since it is larger than the sum of its proper divisors (9306761).

167980159 is an equidigital number, since it uses as much as digits as its factorization.

167980159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465357 (or 465338 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 167980159 is about 12960.7159910246. The cubic root of 167980159 is about 551.7631122724.

The spelling of 167980159 in words is "one hundred sixty-seven million, nine hundred eighty thousand, one hundred fifty-nine".