673816159 has 2 divisors, whose sum is σ = 673816160. Its totient is φ = 673816158.

The previous prime is 673816001. The next prime is 673816177. The reversal of 673816159 is 951618376.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673816159 - 2¹¹ = 673814111 is a prime.

It is a super-2 number, since 2×673816159² = 908056432259026562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673816259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336908079 + 336908080.

It is an arithmetic number, because the mean of its divisors is an integer number (336908080).

Almost surely, 2^673816159 is an apocalyptic number.

673816159 is a deficient number, since it is larger than the sum of its proper divisors (1).

673816159 is an equidigital number, since it uses as much as digits as its factorization.

673816159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 673816159 is about 25957.9690846568. The cubic root of 673816159 is about 876.6921958732.

The spelling of 673816159 in words is "six hundred seventy-three million, eight hundred sixteen thousand, one hundred fifty-nine".