167562481 has 2 divisors, whose sum is σ = 167562482. Its totient is φ = 167562480.

The previous prime is 167562469. The next prime is 167562491. The reversal of 167562481 is 184265761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125104225 + 42458256 = 11185^2 + 6516^2 .

It is an emirp because it is prime and its reverse (184265761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 167562481 - 2¹¹ = 167560433 is a prime.

It is a super-2 number, since 2×167562481² = 56154370077750722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (167562491) 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 as a sum of consecutive naturals, namely, 83781240 + 83781241.

It is an arithmetic number, because the mean of its divisors is an integer number (83781241).

Almost surely, 2^167562481 is an apocalyptic number.

It is an amenable number.

167562481 is a deficient number, since it is larger than the sum of its proper divisors (1).

167562481 is an equidigital number, since it uses as much as digits as its factorization.

167562481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 167562481 is about 12944.5927321025. The cubic root of 167562481 is about 551.3054181631.

The spelling of 167562481 in words is "one hundred sixty-seven million, five hundred sixty-two thousand, four hundred eighty-one".