6690325760 has 144 divisors (see below), whose sum is σ = 16675115520. Its totient is φ = 2569052160.

The previous prime is 6690325739. The next prime is 6690325769. The reversal of 6690325760 is 675230966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690325769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5514914 + ... + 5516126.

Almost surely, 2^6690325760 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 6690325760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8337557760).

6690325760 is an abundant number, since it is smaller than the sum of its proper divisors (9984789760).

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

6690325760 is a wasteful number, since it uses less digits than its factorization.

6690325760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 6690325760 is about 81794.4115450438. The cubic root of 6690325760 is about 1884.2958351289.

The spelling of 6690325760 in words is "six billion, six hundred ninety million, three hundred twenty-five thousand, seven hundred sixty".