66660000000996 has 48 divisors (see below), whose sum is σ = 163731266048000. Its totient is φ = 21049889854752.

The previous prime is 66660000000991. The next prime is 66660000001019. The reversal of 66660000000996 is 69900000006666.

It is not an unprimeable number, because it can be changed into a prime (66660000000991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3166101 + ... + 11972643.

Almost surely, 2^{66660000000996} is an apocalyptic number.

It is an amenable number.

66660000000996 is an abundant number, since it is smaller than the sum of its proper divisors (97071266047004).

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

66660000000996 is a wasteful number, since it uses less digits than its factorization.

66660000000996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8839768 (or 8839766 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 66660000000996 in words is "sixty-six trillion, six hundred sixty billion, nine hundred ninety-six", and thus it is an aban number.