116610261666 has 8 divisors (see below), whose sum is σ = 233220523344. Its totient is φ = 38870087220.

The previous prime is 116610261661. The next prime is 116610261679. The reversal of 116610261666 is 666162016611.

It is a sphenic number, since it is the product of 3 distinct primes.

116610261666 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (116610261661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9717521800 + ... + 9717521811.

It is an arithmetic number, because the mean of its divisors is an integer number (29152565418).

Almost surely, 2^116610261666 is an apocalyptic number.

116610261666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

116610261666 is a wasteful number, since it uses less digits than its factorization.

116610261666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19435043616.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 116610261666 in words is "one hundred sixteen billion, six hundred ten million, two hundred sixty-one thousand, six hundred sixty-six".