66055923025 has 12 divisors (see below), whose sum is σ = 82674855792. Its totient is φ = 52350860240.

The previous prime is 66055923001. The next prime is 66055923049. The reversal of 66055923025 is 52032955066.

It is an interprime number because it is at equal distance from previous prime (66055923001) and next prime (66055923049).

It is not a de Polignac number, because 66055923025 - 2⁷ = 66055922897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12344227 + ... + 12349576.

It is an arithmetic number, because the mean of its divisors is an integer number (6889571316).

Almost surely, 2^66055923025 is an apocalyptic number.

It is an amenable number.

66055923025 is a deficient number, since it is larger than the sum of its proper divisors (16618932767).

66055923025 is a wasteful number, since it uses less digits than its factorization.

66055923025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24693920 (or 24693915 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 66055923025 in words is "sixty-six billion, fifty-five million, nine hundred twenty-three thousand, twenty-five".