66245627582 has 16 divisors (see below), whose sum is σ = 104644113360. Its totient is φ = 31365781632.

The previous prime is 66245627551. The next prime is 66245627587. The reversal of 66245627582 is 28572654266.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66245627587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293003 + ... + 467270.

It is an arithmetic number, because the mean of its divisors is an integer number (6540257085).

Almost surely, 2^66245627582 is an apocalyptic number.

66245627582 is a deficient number, since it is larger than the sum of its proper divisors (38398485778).

66245627582 is a wasteful number, since it uses less digits than its factorization.

66245627582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762587.

The product of its digits is 9676800, while the sum is 53.

The spelling of 66245627582 in words is "sixty-six billion, two hundred forty-five million, six hundred twenty-seven thousand, five hundred eighty-two".