66000059536 has 40 divisors (see below), whose sum is σ = 135938174400. Its totient is φ = 30953635200.

The previous prime is 66000059533. The next prime is 66000059557. The reversal of 66000059536 is 63595000066.

It is not an unprimeable number, because it can be changed into a prime (66000059533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044076 + ... + 1105483.

It is an arithmetic number, because the mean of its divisors is an integer number (3398454360).

Almost surely, 2^66000059536 is an apocalyptic number.

It is an amenable number.

66000059536 is an abundant number, since it is smaller than the sum of its proper divisors (69938114864).

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

66000059536 is a wasteful number, since it uses less digits than its factorization.

66000059536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149687 (or 2149681 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 66000059536 in words is "sixty-six billion, fifty-nine thousand, five hundred thirty-six".