66325314472 has 16 divisors (see below), whose sum is σ = 124445692800. Its totient is φ = 33139796400.

The previous prime is 66325314467. The next prime is 66325314491. The reversal of 66325314472 is 27441352366.

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, 2845272 + ... + 2868487.

It is an arithmetic number, because the mean of its divisors is an integer number (7777855800).

Almost surely, 2^66325314472 is an apocalyptic number.

It is an amenable number.

66325314472 is a deficient number, since it is larger than the sum of its proper divisors (58120378328).

66325314472 is a wasteful number, since it uses less digits than its factorization.

66325314472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715216 (or 5715212 counting only the distinct ones).

The product of its digits is 725760, while the sum is 43.

The spelling of 66325314472 in words is "sixty-six billion, three hundred twenty-five million, three hundred fourteen thousand, four hundred seventy-two".