167484681449 has 2 divisors, whose sum is σ = 167484681450. Its totient is φ = 167484681448.

The previous prime is 167484681443. The next prime is 167484681487. The reversal of 167484681449 is 944186484761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128330165824 + 39154515625 = 358232^2 + 197875^2 .

It is a cyclic number.

It is not a de Polignac number, because 167484681449 - 2²⁰ = 167483632873 is a prime.

It is a super-2 number, since 2×167484681449² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 167484681391 and 167484681400.

It is not a weakly prime, because it can be changed into another prime (167484681443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83742340724 + 83742340725.

It is an arithmetic number, because the mean of its divisors is an integer number (83742340725).

Almost surely, 2^167484681449 is an apocalyptic number.

It is an amenable number.

167484681449 is a deficient number, since it is larger than the sum of its proper divisors (1).

167484681449 is an equidigital number, since it uses as much as digits as its factorization.

167484681449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37158912, while the sum is 62.

The spelling of 167484681449 in words is "one hundred sixty-seven billion, four hundred eighty-four million, six hundred eighty-one thousand, four hundred forty-nine".