66200127328 has 12 divisors (see below), whose sum is σ = 130331500740. Its totient is φ = 33100063648.

The previous prime is 66200127317. The next prime is 66200127379. The reversal of 66200127328 is 82372100266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034376958 + ... + 1034377021.

It is an arithmetic number, because the mean of its divisors is an integer number (10860958395).

Almost surely, 2^66200127328 is an apocalyptic number.

It is an amenable number.

66200127328 is a deficient number, since it is larger than the sum of its proper divisors (64131373412).

66200127328 is a wasteful number, since it uses less digits than its factorization.

66200127328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068753989 (or 2068753981 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 66200127328 in words is "sixty-six billion, two hundred million, one hundred twenty-seven thousand, three hundred twenty-eight".