167028481 has 2 divisors, whose sum is σ = 167028482. Its totient is φ = 167028480.

The previous prime is 167028479. The next prime is 167028503. The reversal of 167028481 is 184820761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154778481 + 12250000 = 12441^2 + 3500^2 .

It is an emirp because it is prime and its reverse (184820761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 167028481 - 2¹ = 167028479 is a prime.

It is a super-2 number, since 2×167028481² = 55797026930334722, which contains 22 as substring.

Together with 167028479, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 167028481.

It is not a weakly prime, because it can be changed into another prime (167028781) 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 as a sum of consecutive naturals, namely, 83514240 + 83514241.

It is an arithmetic number, because the mean of its divisors is an integer number (83514241).

Almost surely, 2^167028481 is an apocalyptic number.

It is an amenable number.

167028481 is a deficient number, since it is larger than the sum of its proper divisors (1).

167028481 is an equidigital number, since it uses as much as digits as its factorization.

167028481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 167028481 is about 12923.9498993148. The cubic root of 167028481 is about 550.7191485289.

The spelling of 167028481 in words is "one hundred sixty-seven million, twenty-eight thousand, four hundred eighty-one".