574991073866 has 24 divisors (see below), whose sum is σ = 952934583972. Its totient is φ = 260005363200.

The previous prime is 574991073863. The next prime is 574991073871. The reversal of 574991073866 is 668370199475.

It can be written as a sum of positive squares in 2 ways, for example, as 439077191641 + 135913882225 = 662629^2 + 368665^2 .

It is a super-2 number, since 2×574991073866² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (574991073863) 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, 6108725 + ... + 6202136.

Almost surely, 2^574991073866 is an apocalyptic number.

574991073866 is a deficient number, since it is larger than the sum of its proper divisors (377943510106).

574991073866 is a wasteful number, since it uses less digits than its factorization.

574991073866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12311078 (or 12311067 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 574991073866 in words is "five hundred seventy-four billion, nine hundred ninety-one million, seventy-three thousand, eight hundred sixty-six".