66341508888 has 32 divisors (see below), whose sum is σ = 165883772160. Its totient is φ = 22109836320.

The previous prime is 66341508869. The next prime is 66341508907. The reversal of 66341508888 is 88880514366.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66341508869) and next prime (66341508907).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113020 + ... + 381387.

It is an arithmetic number, because the mean of its divisors is an integer number (5183867880).

Almost surely, 2^66341508888 is an apocalyptic number.

It is an amenable number.

66341508888 is an abundant number, since it is smaller than the sum of its proper divisors (99542263272).

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

66341508888 is a wasteful number, since it uses less digits than its factorization.

66341508888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500007 (or 500003 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 66341508888 in words is "sixty-six billion, three hundred forty-one million, five hundred eight thousand, eight hundred eighty-eight".