66025745796 has 12 divisors (see below), whose sum is σ = 154060073552. Its totient is φ = 22008581928.

The previous prime is 66025745759. The next prime is 66025745861. The reversal of 66025745796 is 69754752066.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751072730 + ... + 2751072753.

Almost surely, 2^66025745796 is an apocalyptic number.

It is an amenable number.

66025745796 is an abundant number, since it is smaller than the sum of its proper divisors (88034327756).

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

66025745796 is a wasteful number, since it uses less digits than its factorization.

66025745796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502145490 (or 5502145488 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 66025745796 in words is "sixty-six billion, twenty-five million, seven hundred forty-five thousand, seven hundred ninety-six".