66006492012 has 36 divisors (see below), whose sum is σ = 167912495296. Its totient is φ = 21862020960.

The previous prime is 66006491989. The next prime is 66006492029. The reversal of 66006492012 is 21029460066.

66006492012 is a `hidden beast` number, since 6 + 6 + 0 + 0 + 649 + 2 + 0 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5833564 + ... + 5844867.

Almost surely, 2^66006492012 is an apocalyptic number.

It is an amenable number.

66006492012 is an abundant number, since it is smaller than the sum of its proper divisors (101906003284).

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

66006492012 is a wasteful number, since it uses less digits than its factorization.

66006492012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11678598 (or 11678593 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 66006492012 in words is "sixty-six billion, six million, four hundred ninety-two thousand, twelve".