66019000672 has 96 divisors (see below), whose sum is σ = 133355950560. Its totient is φ = 32165683200.

The previous prime is 66019000651. The next prime is 66019000699. The reversal of 66019000672 is 27600091066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59529654 + ... + 59530762.

It is an arithmetic number, because the mean of its divisors is an integer number (1389124485).

Almost surely, 2^66019000672 is an apocalyptic number.

It is an amenable number.

66019000672 is an abundant number, since it is smaller than the sum of its proper divisors (67336949888).

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

66019000672 is a wasteful number, since it uses less digits than its factorization.

With its successor (66019000673) it forms an eRAP, since the sums of their prime factors are consecutive (1496 and 1497).

66019000672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 66019000672 in words is "sixty-six billion, nineteen million, six hundred seventy-two", and thus it is an aban number.