167993417 has 2 divisors, whose sum is σ = 167993418. Its totient is φ = 167993416.

The previous prime is 167993407. The next prime is 167993429. The reversal of 167993417 is 714399761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151191616 + 16801801 = 12296^2 + 4099^2 .

It is a cyclic number.

It is not a de Polignac number, because 167993417 - 2¹⁰ = 167992393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167993407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83996708 + 83996709.

It is an arithmetic number, because the mean of its divisors is an integer number (83996709).

Almost surely, 2^167993417 is an apocalyptic number.

It is an amenable number.

167993417 is a deficient number, since it is larger than the sum of its proper divisors (1).

167993417 is an equidigital number, since it uses as much as digits as its factorization.

167993417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 47.

The square root of 167993417 is about 12961.2274495898. The cubic root of 167993417 is about 551.7776280401. Note that the first 3 decimals are identical.

The spelling of 167993417 in words is "one hundred sixty-seven million, nine hundred ninety-three thousand, four hundred seventeen".