66029633740 has 48 divisors (see below), whose sum is σ = 158727340800. Its totient is φ = 22602128832.

The previous prime is 66029633737. The next prime is 66029633749. The reversal of 66029633740 is 4733692066.

It is not an unprimeable number, because it can be changed into a prime (66029633749) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 294310 + ... + 467629.

It is an arithmetic number, because the mean of its divisors is an integer number (3306819600).

Almost surely, 2^66029633740 is an apocalyptic number.

It is an amenable number.

66029633740 is an abundant number, since it is smaller than the sum of its proper divisors (92697707060).

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

66029633740 is a wasteful number, since it uses less digits than its factorization.

66029633740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762574 (or 762572 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 66029633740 in words is "sixty-six billion, twenty-nine million, six hundred thirty-three thousand, seven hundred forty".