5891139656064 has 512 divisors, whose sum is σ = 18842923814400. Its totient is φ = 1801240436736.

The previous prime is 5891139656057. The next prime is 5891139656113. The reversal of 5891139656064 is 4606569311985.

5891139656064 is a `hidden beast` number, since 5 + 8 + 9 + 1 + 1 + 3 + 9 + 6 + 560 + 64 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5891139655992 and 5891139656010.

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 63 ways as a sum of consecutive naturals, for example, 6906376662 + ... + 6906377514.

It is an arithmetic number, because the mean of its divisors is an integer number (36802585575).

Almost surely, 2^{5891139656064} is an apocalyptic number.

5891139656064 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5891139656064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9421461907200).

5891139656064 is an abundant number, since it is smaller than the sum of its proper divisors (12951784158336).

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

5891139656064 is a wasteful number, since it uses less digits than its factorization.

5891139656064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 63.

The spelling of 5891139656064 in words is "five trillion, eight hundred ninety-one billion, one hundred thirty-nine million, six hundred fifty-six thousand, sixty-four".