66133155088 has 160 divisors (see below), whose sum is σ = 173816375040. Its totient is φ = 23538401280.

The previous prime is 66133155031. The next prime is 66133155091. The reversal of 66133155088 is 88055133166.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1532268 + ... + 1574836.

It is an arithmetic number, because the mean of its divisors is an integer number (1086352344).

Almost surely, 2^66133155088 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 66133155088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86908187520).

66133155088 is an abundant number, since it is smaller than the sum of its proper divisors (107683219952).

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

66133155088 is a wasteful number, since it uses less digits than its factorization.

66133155088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42705 (or 42699 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 66133155088 in words is "sixty-six billion, one hundred thirty-three million, one hundred fifty-five thousand, eighty-eight".