6566419193616 has 30 divisors (see below), whose sum is σ = 18376853715870. Its totient is φ = 2188806397824.

The previous prime is 6566419193611. The next prime is 6566419193693. The reversal of 6566419193616 is 6163919146656.

6566419193616 is a `hidden beast` number, since 6 + 5 + 6 + 6 + 4 + 1 + 9 + 1 + 9 + 3 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5301064179216 + 1265355014400 = 2302404^2 + 1124880^2 .

It is a super-2 number, since 2×6566419193616² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6566419193611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22800066501 + ... + 22800066788.

It is an arithmetic number, because the mean of its divisors is an integer number (612561790529).

Almost surely, 2^{6566419193616} is an apocalyptic number.

It is an amenable number.

6566419193616 is an abundant number, since it is smaller than the sum of its proper divisors (11810434522254).

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

6566419193616 is a wasteful number, since it uses less digits than its factorization.

6566419193616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45600133303 (or 45600133294 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 63.

The spelling of 6566419193616 in words is "six trillion, five hundred sixty-six billion, four hundred nineteen million, one hundred ninety-three thousand, six hundred sixteen".