6551165171404 has 72 divisors (see below), whose sum is σ = 14040504621360. Its totient is φ = 2659437010944.

The previous prime is 6551165171401. The next prime is 6551165171443. The reversal of 6551165171404 is 4041715611556.

It is not an unprimeable number, because it can be changed into a prime (6551165171401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23160492 + ... + 23441644.

It is an arithmetic number, because the mean of its divisors is an integer number (195007008630).

Almost surely, 2^{6551165171404} 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 6551165171404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7020252310680).

6551165171404 is an abundant number, since it is smaller than the sum of its proper divisors (7489339449956).

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

6551165171404 is a wasteful number, since it uses less digits than its factorization.

6551165171404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287447 (or 287438 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 6551165171404 in words is "six trillion, five hundred fifty-one billion, one hundred sixty-five million, one hundred seventy-one thousand, four hundred four".