6697680844608 has 224 divisors, whose sum is σ = 21265335168000. Its totient is φ = 2054917527552.

The previous prime is 6697680844559. The next prime is 6697680844637. The reversal of 6697680844608 is 8064480867966.

6697680844608 is a `hidden beast` number, since 6 + 6 + 9 + 7 + 6 + 8 + 0 + 8 + 4 + 4 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 7412785 + ... + 8267087.

It is an arithmetic number, because the mean of its divisors is an integer number (94934532000).

Almost surely, 2^{6697680844608} 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 6697680844608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10632667584000).

6697680844608 is an abundant number, since it is smaller than the sum of its proper divisors (14567654323392).

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

6697680844608 is a wasteful number, since it uses less digits than its factorization.

6697680844608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854686 (or 854670 counting only the distinct ones).

The product of its (nonzero) digits is 668860416, while the sum is 72.

The spelling of 6697680844608 in words is "six trillion, six hundred ninety-seven billion, six hundred eighty million, eight hundred forty-four thousand, six hundred eight".