6516046673880 has 128 divisors (see below), whose sum is σ = 20048319244800. Its totient is φ = 1693336200192.

The previous prime is 6516046673867. The next prime is 6516046673881. The reversal of 6516046673880 is 883766406156.

It is a super-2 number, since 2×6516046673880² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6516046673881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 826972 + ... + 3703508.

It is an arithmetic number, because the mean of its divisors is an integer number (156627494100).

Almost surely, 2^{6516046673880} is an apocalyptic number.

6516046673880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6516046673880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10024159622400).

6516046673880 is an abundant number, since it is smaller than the sum of its proper divisors (13532272570920).

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

6516046673880 is a wasteful number, since it uses less digits than its factorization.

6516046673880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877033 (or 2877029 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 6516046673880 in words is "six trillion, five hundred sixteen billion, forty-six million, six hundred seventy-three thousand, eight hundred eighty".