167980459 has 2 divisors, whose sum is σ = 167980460. Its totient is φ = 167980458.

The previous prime is 167980453. The next prime is 167980507. The reversal of 167980459 is 954089761.

It is a weak prime.

It is an emirp because it is prime and its reverse (954089761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 167980459 - 2⁵ = 167980427 is a prime.

It is not a weakly prime, because it can be changed into another prime (167980453) 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, 83990229 + 83990230.

It is an arithmetic number, because the mean of its divisors is an integer number (83990230).

Almost surely, 2^167980459 is an apocalyptic number.

167980459 is a deficient number, since it is larger than the sum of its proper divisors (1).

167980459 is an equidigital number, since it uses as much as digits as its factorization.

167980459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 167980459 is about 12960.7275644541. The cubic root of 167980459 is about 551.7634407414.

The spelling of 167980459 in words is "one hundred sixty-seven million, nine hundred eighty thousand, four hundred fifty-nine".