6690410675424 has 216 divisors, whose sum is σ = 22182097817880. Its totient is φ = 1907229123072.

The previous prime is 6690410675419. The next prime is 6690410675461. The reversal of 6690410675424 is 4245760140966.

6690410675424 is a `hidden beast` number, since 6 + 6 + 90 + 4 + 1 + 0 + 6 + 7 + 542 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5716522 + ... + 6786710.

It is an arithmetic number, because the mean of its divisors is an integer number (102694897305).

Almost surely, 2^{6690410675424} 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 6690410675424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11091048908940).

6690410675424 is an abundant number, since it is smaller than the sum of its proper divisors (15491687142456).

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

6690410675424 is a wasteful number, since it uses less digits than its factorization.

6690410675424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070662 (or 1070644 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 6690410675424 in words is "six trillion, six hundred ninety billion, four hundred ten million, six hundred seventy-five thousand, four hundred twenty-four".