61166066116 has 12 divisors (see below), whose sum is σ = 107520620032. Its totient is φ = 30445888968.

The previous prime is 61166066033. The next prime is 61166066131.

61166066116 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34285020 + ... + 34286803.

Almost surely, 2^61166066116 is an apocalyptic number.

It is an amenable number.

61166066116 is a deficient number, since it is larger than the sum of its proper divisors (46354553916).

61166066116 is a wasteful number, since it uses less digits than its factorization.

61166066116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68572050 (or 68572048 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

It can be divided in two parts, 611660 and 66116, that added together give a palindrome (677776).

The spelling of 61166066116 in words is "sixty-one billion, one hundred sixty-six million, sixty-six thousand, one hundred sixteen".