5991103473816 has 64 divisors (see below), whose sum is σ = 15766531286400. Its totient is φ = 1891871071488.

The previous prime is 5991103473799. The next prime is 5991103473821. The reversal of 5991103473816 is 6183743011995.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16739151 + ... + 17093313.

It is an arithmetic number, because the mean of its divisors is an integer number (246352051350).

Almost surely, 2^{5991103473816} is an apocalyptic number.

It is an amenable number.

5991103473816 is an abundant number, since it is smaller than the sum of its proper divisors (9775427812584).

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

5991103473816 is a wasteful number, since it uses less digits than its factorization.

5991103473816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391288 (or 391284 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 5991103473816 in words is "five trillion, nine hundred ninety-one billion, one hundred three million, four hundred seventy-three thousand, eight hundred sixteen".