6625642717936 has 80 divisors (see below), whose sum is σ = 14458332607488. Its totient is φ = 2914024780800.

The previous prime is 6625642717927. The next prime is 6625642717997. The reversal of 6625642717936 is 6397172465266.

It is a super-2 number, since 2×6625642717936² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34041151 + ... + 34235233.

Almost surely, 2^{6625642717936} 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 6625642717936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7229166303744).

6625642717936 is an abundant number, since it is smaller than the sum of its proper divisors (7832689889552).

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

6625642717936 is a wasteful number, since it uses less digits than its factorization.

6625642717936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200390 (or 200384 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 64.

The spelling of 6625642717936 in words is "six trillion, six hundred twenty-five billion, six hundred forty-two million, seven hundred seventeen thousand, nine hundred thirty-six".