671167459 has 4 divisors (see below), whose sum is σ = 671306616. Its totient is φ = 671028304.

The previous prime is 671167433. The next prime is 671167517. The reversal of 671167459 is 954761176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 671167459 - 2²⁵ = 637613027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671147459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62074 + ... + 72079.

It is an arithmetic number, because the mean of its divisors is an integer number (167826654).

Almost surely, 2^671167459 is an apocalyptic number.

671167459 is a deficient number, since it is larger than the sum of its proper divisors (139157).

671167459 is a wasteful number, since it uses less digits than its factorization.

671167459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139156.

The product of its digits is 317520, while the sum is 46.

The square root of 671167459 is about 25906.8998338281. The cubic root of 671167459 is about 875.5419593256.

The spelling of 671167459 in words is "six hundred seventy-one million, one hundred sixty-seven thousand, four hundred fifty-nine".