6700658688 has 104 divisors (see below), whose sum is σ = 19851707600. Its totient is φ = 2233516032.

The previous prime is 6700658687. The next prime is 6700658707. The reversal of 6700658688 is 8868560076.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6700658687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80298 + ... + 140886.

Almost surely, 2^6700658688 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 6700658688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9925853800).

6700658688 is an abundant number, since it is smaller than the sum of its proper divisors (13151048912).

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

6700658688 is an equidigital number, since it uses as much as digits as its factorization.

6700658688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60622 (or 60594 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The square root of 6700658688 is about 81857.5511971864. The cubic root of 6700658688 is about 1885.2654081513.

The spelling of 6700658688 in words is "six billion, seven hundred million, six hundred fifty-eight thousand, six hundred eighty-eight".