6632669707608 has 128 divisors (see below), whose sum is σ = 20070813312000. Its totient is φ = 1783077801984.

The previous prime is 6632669707597. The next prime is 6632669707649. The reversal of 6632669707608 is 8067079662366.

It is a Cunningham number, because it is equal to 2575397²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9979668 + ... + 10623516.

It is an arithmetic number, because the mean of its divisors is an integer number (156803229000).

Almost surely, 2^{6632669707608} is an apocalyptic number.

6632669707608 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6632669707608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10035406656000).

6632669707608 is an abundant number, since it is smaller than the sum of its proper divisors (13438143604392).

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

6632669707608 is a wasteful number, since it uses less digits than its factorization.

6632669707608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647489 (or 647485 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 66.

The spelling of 6632669707608 in words is "six trillion, six hundred thirty-two billion, six hundred sixty-nine million, seven hundred seven thousand, six hundred eight".