66033262472 has 8 divisors (see below), whose sum is σ = 123812367150. Its totient is φ = 33016631232.

The previous prime is 66033262429. The next prime is 66033262487. The reversal of 66033262472 is 27426233066.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36575032516 + 29458229956 = 191246^2 + 171634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127078897 + ... + 4127078912.

Almost surely, 2^66033262472 is an apocalyptic number.

It is an amenable number.

66033262472 is a deficient number, since it is larger than the sum of its proper divisors (57779104678).

66033262472 is a wasteful number, since it uses less digits than its factorization.

66033262472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254157815 (or 8254157811 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 66033262472 in words is "sixty-six billion, thirty-three million, two hundred sixty-two thousand, four hundred seventy-two".