116660306665 has 24 divisors (see below), whose sum is σ = 163292118912. Its totient is φ = 79777605600.

The previous prime is 116660306627. The next prime is 116660306699. The reversal of 116660306665 is 566603066611.

It is not a de Polignac number, because 116660306665 - 2¹⁵ = 116660273897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558811 + ... + 738640.

It is an arithmetic number, because the mean of its divisors is an integer number (6803838288).

Almost surely, 2^116660306665 is an apocalyptic number.

It is an amenable number.

116660306665 is a deficient number, since it is larger than the sum of its proper divisors (46631812247).

116660306665 is a wasteful number, since it uses less digits than its factorization.

116660306665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297837 (or 1297830 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 116660306665 in words is "one hundred sixteen billion, six hundred sixty million, three hundred six thousand, six hundred sixty-five".