591113668 has 24 divisors (see below), whose sum is σ = 1052960384. Its totient is φ = 290282400.

The previous prime is 591113659. The next prime is 591113671. The reversal of 591113668 is 866311195.

It is a self number, because there is not a number n which added to its sum of digits gives 591113668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219973 + ... + 222643.

Almost surely, 2^591113668 is an apocalyptic number.

It is an amenable number.

591113668 is a deficient number, since it is larger than the sum of its proper divisors (461846716).

591113668 is a wasteful number, since it uses less digits than its factorization.

591113668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3641 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 591113668 is about 24312.8292882585. The cubic root of 591113668 is about 839.2480364197.

The spelling of 591113668 in words is "five hundred ninety-one million, one hundred thirteen thousand, six hundred sixty-eight".