66147033260 has 96 divisors (see below), whose sum is σ = 174248105472. Its totient is φ = 20490693120.

The previous prime is 66147033233. The next prime is 66147033283. The reversal of 66147033260 is 6233074166.

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, 119264 + ... + 382776.

It is an arithmetic number, because the mean of its divisors is an integer number (1815084432).

Almost surely, 2^66147033260 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 66147033260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87124052736).

66147033260 is an abundant number, since it is smaller than the sum of its proper divisors (108101072212).

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

66147033260 is a wasteful number, since it uses less digits than its factorization.

66147033260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263703 (or 263701 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 66147033260 in words is "sixty-six billion, one hundred forty-seven million, thirty-three thousand, two hundred sixty".