66374125982 has 16 divisors (see below), whose sum is σ = 99734787600. Its totient is φ = 33129233280.

The previous prime is 66374125973. The next prime is 66374126011. The reversal of 66374125982 is 28952147366.

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4605644 + ... + 4620032.

It is an arithmetic number, because the mean of its divisors is an integer number (6233424225).

Almost surely, 2^66374125982 is an apocalyptic number.

66374125982 is a deficient number, since it is larger than the sum of its proper divisors (33360661618).

66374125982 is a wasteful number, since it uses less digits than its factorization.

66374125982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18251.

The product of its digits is 4354560, while the sum is 53.

The spelling of 66374125982 in words is "sixty-six billion, three hundred seventy-four million, one hundred twenty-five thousand, nine hundred eighty-two".