66413831466 has 32 divisors (see below), whose sum is σ = 143597482560. Its totient is φ = 20405955456.

The previous prime is 66413831437. The next prime is 66413831483.

66413831466 is nontrivially palindromic in base 10.

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 15 ways as a sum of consecutive naturals, for example, 7868451 + ... + 7876886.

It is an arithmetic number, because the mean of its divisors is an integer number (4487421330).

Almost surely, 2^66413831466 is an apocalyptic number.

66413831466 is an abundant number, since it is smaller than the sum of its proper divisors (77183651094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66413831466 is a wasteful number, since it uses less digits than its factorization.

66413831466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15745398.

The product of its digits is 1492992, while the sum is 48.

The spelling of 66413831466 in words is "sixty-six billion, four hundred thirteen million, eight hundred thirty-one thousand, four hundred sixty-six".