7659205660 has 72 divisors (see below), whose sum is σ = 16823622816. Its totient is φ = 2928656640.

The previous prime is 7659205649. The next prime is 7659205663. The reversal of 7659205660 is 665029567.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7659205660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7659205663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1730250 + ... + 1734670.

It is an arithmetic number, because the mean of its divisors is an integer number (233661428).

Almost surely, 2^7659205660 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 7659205660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8411811408).

7659205660 is an abundant number, since it is smaller than the sum of its proper divisors (9164417156).

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

7659205660 is a wasteful number, since it uses less digits than its factorization.

7659205660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 7659205660 is about 87516.8878560018. The cubic root of 7659205660 is about 1971.1873814464.

The spelling of 7659205660 in words is "seven billion, six hundred fifty-nine million, two hundred five thousand, six hundred sixty".