5991540726672 has 120 divisors (see below), whose sum is σ = 17441026107648. Its totient is φ = 1918001030400.

The previous prime is 5991540726617. The next prime is 5991540726673. The reversal of 5991540726672 is 2766270451995.

5991540726672 is a `hidden beast` number, since 5 + 9 + 9 + 1 + 540 + 7 + 26 + 67 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (5991540726673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4538083 + ... + 5707650.

Almost surely, 2^{5991540726672} is an apocalyptic number.

It is an amenable number.

5991540726672 is an abundant number, since it is smaller than the sum of its proper divisors (11449485380976).

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

5991540726672 is a wasteful number, since it uses less digits than its factorization.

5991540726672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245909 (or 10245900 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 5991540726672 in words is "five trillion, nine hundred ninety-one billion, five hundred forty million, seven hundred twenty-six thousand, six hundred seventy-two".