6656541325500 has 96 divisors (see below), whose sum is σ = 21146016423168. Its totient is φ = 1613706984000.

The previous prime is 6656541325487. The next prime is 6656541325501. The reversal of 6656541325500 is 55231456566.

It is a self number, because there is not a number n which added to its sum of digits gives 6656541325500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656541325501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201696874 + ... + 201729873.

It is an arithmetic number, because the mean of its divisors is an integer number (220271004408).

Almost surely, 2^{6656541325500} is an apocalyptic number.

6656541325500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6656541325500 is an abundant number, since it is smaller than the sum of its proper divisors (14489475097668).

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

6656541325500 is a wasteful number, since it uses less digits than its factorization.

6656541325500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403426780 (or 403426768 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 6656541325500 in words is "six trillion, six hundred fifty-six billion, five hundred forty-one million, three hundred twenty-five thousand, five hundred".