671116220567 has 8 divisors (see below), whose sum is σ = 724885180656. Its totient is φ = 617653636992.

The previous prime is 671116220557. The next prime is 671116220609. The reversal of 671116220567 is 765022611176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671116220567 - 2¹⁴ = 671116204183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671116220527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76589573 + ... + 76598334.

It is an arithmetic number, because the mean of its divisors is an integer number (90610647582).

Almost surely, 2^671116220567 is an apocalyptic number.

671116220567 is a deficient number, since it is larger than the sum of its proper divisors (53768960089).

671116220567 is a wasteful number, since it uses less digits than its factorization.

671116220567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153188257.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 671116220567 in words is "six hundred seventy-one billion, one hundred sixteen million, two hundred twenty thousand, five hundred sixty-seven".