66482368274 has 12 divisors (see below), whose sum is σ = 116004948894. Its totient is φ = 28492443504.

The previous prime is 66482368217. The next prime is 66482368279. The reversal of 66482368274 is 47286328466.

It can be written as a sum of positive squares in only one way, i.e., 34241652025 + 32240716249 = 185045^2 + 179557^2 .

It is not an unprimeable number, because it can be changed into a prime (66482368279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339195659 + ... + 339195854.

Almost surely, 2^66482368274 is an apocalyptic number.

66482368274 is a deficient number, since it is larger than the sum of its proper divisors (49522580620).

66482368274 is a wasteful number, since it uses less digits than its factorization.

66482368274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678391529 (or 678391522 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 56.

The spelling of 66482368274 in words is "sixty-six billion, four hundred eighty-two million, three hundred sixty-eight thousand, two hundred seventy-four".