66352746888 has 128 divisors (see below), whose sum is σ = 185857276800. Its totient is φ = 21933047808.

The previous prime is 66352746857. The next prime is 66352746893. The reversal of 66352746888 is 88864725366.

66352746888 is a `hidden beast` number, since 6 + 63 + 527 + 46 + 8 + 8 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14046495 + ... + 14051217.

It is an arithmetic number, because the mean of its divisors is an integer number (1452009975).

Almost surely, 2^66352746888 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 66352746888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92928638400).

66352746888 is an abundant number, since it is smaller than the sum of its proper divisors (119504529912).

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

66352746888 is a wasteful number, since it uses less digits than its factorization.

66352746888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268 (or 5258 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 66352746888 in words is "sixty-six billion, three hundred fifty-two million, seven hundred forty-six thousand, eight hundred eighty-eight".