116666616665 has 16 divisors (see below), whose sum is σ = 141121008000. Its totient is φ = 92588160000.

The previous prime is 116666616659. The next prime is 116666616673. The reversal of 116666616665 is 566616666611.

It is not a de Polignac number, because 116666616665 - 2¹⁶ = 116666551129 is a prime.

It is a super-2 number, since 2×116666616665² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116666616665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276665 + ... + 556665.

It is an arithmetic number, because the mean of its divisors is an integer number (8820063000).

Almost surely, 2^116666616665 is an apocalyptic number.

It is an amenable number.

116666616665 is a deficient number, since it is larger than the sum of its proper divisors (24454391335).

116666616665 is a wasteful number, since it uses less digits than its factorization.

116666616665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280672.

The product of its digits is 8398080, while the sum is 56.

The spelling of 116666616665 in words is "one hundred sixteen billion, six hundred sixty-six million, six hundred sixteen thousand, six hundred sixty-five".