671167319 has 2 divisors, whose sum is σ = 671167320. Its totient is φ = 671167318.

The previous prime is 671167291. The next prime is 671167339. The reversal of 671167319 is 913761176.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671167319 is a prime.

It is a super-2 number, since 2×671167319² = 900931140187295522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671167339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335583659 + 335583660.

It is an arithmetic number, because the mean of its divisors is an integer number (335583660).

Almost surely, 2^671167319 is an apocalyptic number.

671167319 is a deficient number, since it is larger than the sum of its proper divisors (1).

671167319 is an equidigital number, since it uses as much as digits as its factorization.

671167319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 671167319 is about 25906.8971318450. The cubic root of 671167319 is about 875.5418984487.

The spelling of 671167319 in words is "six hundred seventy-one million, one hundred sixty-seven thousand, three hundred nineteen".