5243067191664 has 120 divisors (see below), whose sum is σ = 14886353899872. Its totient is φ = 1722334763520.

The previous prime is 5243067191597. The next prime is 5243067191717. The reversal of 5243067191664 is 4661917603425.

It is a happy number.

5243067191664 is a `hidden beast` number, since 5 + 2 + 430 + 67 + 1 + 91 + 6 + 64 = 666.

It is a super-2 number, since 2×5243067191664² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5243067191664.

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 23 ways as a sum of consecutive naturals, for example, 23989182 + ... + 24206754.

Almost surely, 2^{5243067191664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5243067191664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7443176949936).

5243067191664 is an abundant number, since it is smaller than the sum of its proper divisors (9643286708208).

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

5243067191664 is a wasteful number, since it uses less digits than its factorization.

5243067191664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220015 (or 220006 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 5243067191664 in words is "five trillion, two hundred forty-three billion, sixty-seven million, one hundred ninety-one thousand, six hundred sixty-four".