6689207702016 has 1680 divisors, whose sum is σ = 25034506052160. Its totient is φ = 1743038300160.

The previous prime is 6689207701973. The next prime is 6689207702033. The reversal of 6689207702016 is 6102077029866.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 109659142626 + ... + 109659142686.

Almost surely, 2^{6689207702016} 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 6689207702016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12517253026080).

6689207702016 is an abundant number, since it is smaller than the sum of its proper divisors (18345298350144).

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

6689207702016 is an frugal number, since it uses more digits than its factorization.

6689207702016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 6689207702016 in words is "six trillion, six hundred eighty-nine billion, two hundred seven million, seven hundred two thousand, sixteen".