6551371669104 has 160 divisors (see below), whose sum is σ = 19897160230400. Its totient is φ = 2058134261760.

The previous prime is 6551371669081. The next prime is 6551371669151. The reversal of 6551371669104 is 4019661731556.

6551371669104 is a `hidden beast` number, since 6 + 5 + 513 + 7 + 16 + 6 + 9 + 104 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483652 + ... + 3651939.

It is an arithmetic number, because the mean of its divisors is an integer number (124357251440).

Almost surely, 2^{6551371669104} 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 6551371669104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9948580115200).

6551371669104 is an abundant number, since it is smaller than the sum of its proper divisors (13345788561296).

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

6551371669104 is a wasteful number, since it uses less digits than its factorization.

6551371669104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135820 (or 4135808 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 6551371669104 in words is "six trillion, five hundred fifty-one billion, three hundred seventy-one million, six hundred sixty-nine thousand, one hundred four".