676165671 has 16 divisors (see below), whose sum is σ = 1010596320. Its totient is φ = 446785920.

The previous prime is 676165649. The next prime is 676165681. The reversal of 676165671 is 176561676.

676165671 is a `hidden beast` number, since 6 + 76 + 16 + 567 + 1 = 666.

It is not a de Polignac number, because 676165671 - 2⁹ = 676165159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676165601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107760 + ... + 113861.

It is an arithmetic number, because the mean of its divisors is an integer number (63162270).

Almost surely, 2^676165671 is an apocalyptic number.

676165671 is a deficient number, since it is larger than the sum of its proper divisors (334430649).

676165671 is a wasteful number, since it uses less digits than its factorization.

676165671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221743 (or 221737 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 676165671 is about 26003.1857855917. The cubic root of 676165671 is about 877.7099855417.

The spelling of 676165671 in words is "six hundred seventy-six million, one hundred sixty-five thousand, six hundred seventy-one".