6680390112 has 480 divisors, whose sum is σ = 22867536384. Its totient is φ = 1893196800.

The previous prime is 6680390099. The next prime is 6680390137. The reversal of 6680390112 is 2110930866.

It is a super-2 number, since 2×6680390112² = 89255224097014745088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 40002253 + ... + 40002419.

Almost surely, 2^6680390112 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 6680390112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11433768192).

6680390112 is an abundant number, since it is smaller than the sum of its proper divisors (16187146272).

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

6680390112 is a wasteful number, since it uses less digits than its factorization.

6680390112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 6680390112 is about 81733.6534849630. The cubic root of 6680390112 is about 1883.3625982835.

The spelling of 6680390112 in words is "six billion, six hundred eighty million, three hundred ninety thousand, one hundred twelve".