66126466882 has 16 divisors (see below), whose sum is σ = 113363122752. Its totient is φ = 28339048080.

The previous prime is 66126466877. The next prime is 66126466883. The reversal of 66126466882 is 28866462166.

It is not an unprimeable number, because it can be changed into a prime (66126466883) 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, 654157 + ... + 748447.

It is an arithmetic number, because the mean of its divisors is an integer number (7085195172).

Almost surely, 2^66126466882 is an apocalyptic number.

66126466882 is a deficient number, since it is larger than the sum of its proper divisors (47236655870).

66126466882 is a wasteful number, since it uses less digits than its factorization.

66126466882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144393.

The product of its digits is 7962624, while the sum is 55.

The spelling of 66126466882 in words is "sixty-six billion, one hundred twenty-six million, four hundred sixty-six thousand, eight hundred eighty-two".