61116430512666 has 16 divisors (see below), whose sum is σ = 122232997504800. Its totient is φ = 20372120757648.

The previous prime is 61116430512661. The next prime is 61116430512707. The reversal of 61116430512666 is 66621503461116.

61116430512666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61116430512661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683805 + ... + 11077023.

It is an arithmetic number, because the mean of its divisors is an integer number (7639562344050).

Almost surely, 2^{61116430512666} is an apocalyptic number.

61116430512666 is an abundant number, since it is smaller than the sum of its proper divisors (61116566992134).

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

61116430512666 is a wasteful number, since it uses less digits than its factorization.

61116430512666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11373293.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 61116430512666 in words is "sixty-one trillion, one hundred sixteen billion, four hundred thirty million, five hundred twelve thousand, six hundred sixty-six".