66660011152 has 40 divisors (see below), whose sum is σ = 147855911616. Its totient is φ = 28519879296.

The previous prime is 66660011137. The next prime is 66660011153. The reversal of 66660011152 is 25111006666.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66660011153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441223 + ... + 572710.

Almost surely, 2^66660011152 is an apocalyptic number.

It is an amenable number.

66660011152 is an abundant number, since it is smaller than the sum of its proper divisors (81195900464).

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

66660011152 is a wasteful number, since it uses less digits than its factorization.

66660011152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014535 (or 1014529 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 66660011152 in words is "sixty-six billion, six hundred sixty million, eleven thousand, one hundred fifty-two".