7665225396660 has 288 divisors, whose sum is σ = 26135319345408. Its totient is φ = 1804312350720.

The previous prime is 7665225396643. The next prime is 7665225396667. The reversal of 7665225396660 is 666935225667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7665225396667) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 229956195 + ... + 229989525.

It is an arithmetic number, because the mean of its divisors is an integer number (90747636616).

Almost surely, 2^{7665225396660} 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 7665225396660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13067659672704).

7665225396660 is an abundant number, since it is smaller than the sum of its proper divisors (18470093948748).

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

7665225396660 is a wasteful number, since it uses less digits than its factorization.

7665225396660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37655 (or 37650 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 63.

The spelling of 7665225396660 in words is "seven trillion, six hundred sixty-five billion, two hundred twenty-five million, three hundred ninety-six thousand, six hundred sixty".