674764930566 has 24 divisors (see below), whose sum is σ = 1538937561720. Its totient is φ = 213083662176.

The previous prime is 674764930561. The next prime is 674764930577. The reversal of 674764930566 is 665039467476.

674764930566 is a `hidden beast` number, since 6 + 7 + 4 + 7 + 64 + 9 + 3 + 0 + 566 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674764930561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 986498095 + ... + 986498778.

It is an arithmetic number, because the mean of its divisors is an integer number (64122398405).

Almost surely, 2^674764930566 is an apocalyptic number.

674764930566 is an abundant number, since it is smaller than the sum of its proper divisors (864172631154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674764930566 is a wasteful number, since it uses less digits than its factorization.

674764930566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972996900 (or 1972996897 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 63.

The spelling of 674764930566 in words is "six hundred seventy-four billion, seven hundred sixty-four million, nine hundred thirty thousand, five hundred sixty-six".