6171168051648 has 168 divisors, whose sum is σ = 18053312138160. Its totient is φ = 2014887260160.

The previous prime is 6171168051641. The next prime is 6171168051667. The reversal of 6171168051648 is 8461508611716.

6171168051648 is a `hidden beast` number, since 6 + 1 + 7 + 1 + 1 + 6 + 80 + 516 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6171168051594 and 6171168051603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6171168051641) 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, 9085788 + ... + 9741348.

Almost surely, 2^{6171168051648} 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 6171168051648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9026656069080).

6171168051648 is an abundant number, since it is smaller than the sum of its proper divisors (11882144086512).

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

6171168051648 is a wasteful number, since it uses less digits than its factorization.

6171168051648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655915 (or 655902 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 6171168051648 in words is "six trillion, one hundred seventy-one billion, one hundred sixty-eight million, fifty-one thousand, six hundred forty-eight".