167159538 has 320 divisors, whose sum is σ = 526901760. Its totient is φ = 38320128.

The previous prime is 167159519. The next prime is 167159539. The reversal of 167159538 is 835951761.

It is a happy number.

167159538 is a `hidden beast` number, since 1 + 67 + 1 + 59 + 538 = 666.

167159538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×167159538² = 55884622288746888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 167159493 and 167159502.

It is not an unprimeable number, because it can be changed into a prime (167159539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5764108 + ... + 5764136.

It is an arithmetic number, because the mean of its divisors is an integer number (1646568).

Almost surely, 2^167159538 is an apocalyptic number.

167159538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 167159538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263450880).

167159538 is an abundant number, since it is smaller than the sum of its proper divisors (359742222).

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

167159538 is a wasteful number, since it uses less digits than its factorization.

167159538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 94 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 167159538 is about 12929.0192203430. The cubic root of 167159538 is about 550.8631493803.

The spelling of 167159538 in words is "one hundred sixty-seven million, one hundred fifty-nine thousand, five hundred thirty-eight".