5991802568556 has 96 divisors (see below), whose sum is σ = 17136436584960. Its totient is φ = 1591240495104.

The previous prime is 5991802568539. The next prime is 5991802568573. The reversal of 5991802568556 is 6558652081995.

It is an interprime number because it is at equal distance from previous prime (5991802568539) and next prime (5991802568573).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35332981 + ... + 35502156.

It is an arithmetic number, because the mean of its divisors is an integer number (178504547760).

Almost surely, 2^{5991802568556} is an apocalyptic number.

It is an amenable number.

5991802568556 is an abundant number, since it is smaller than the sum of its proper divisors (11144634016404).

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

5991802568556 is a wasteful number, since it uses less digits than its factorization.

5991802568556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70835223 (or 70835221 counting only the distinct ones).

The product of its (nonzero) digits is 233280000, while the sum is 69.

The spelling of 5991802568556 in words is "five trillion, nine hundred ninety-one billion, eight hundred two million, five hundred sixty-eight thousand, five hundred fifty-six".