167086121 has 4 divisors (see below), whose sum is σ = 167170500. Its totient is φ = 167001744.

The previous prime is 167086103. The next prime is 167086189. The reversal of 167086121 is 121680761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121680761 = 173 ⋅703357.

It can be written as a sum of positive squares in 2 ways, for example, as 149108521 + 17977600 = 12211^2 + 4240^2 .

It is a cyclic number.

It is not a de Polignac number, because 167086121 - 2¹⁸ = 166823977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167086021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39146 + ... + 43203.

It is an arithmetic number, because the mean of its divisors is an integer number (41792625).

Almost surely, 2^167086121 is an apocalyptic number.

It is an amenable number.

167086121 is a deficient number, since it is larger than the sum of its proper divisors (84379).

167086121 is an equidigital number, since it uses as much as digits as its factorization.

167086121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84378.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 167086121 is about 12926.1796753720. The cubic root of 167086121 is about 550.7824906224.

The spelling of 167086121 in words is "one hundred sixty-seven million, eighty-six thousand, one hundred twenty-one".