116661560661166 has 8 divisors (see below), whose sum is σ = 175007144541384. Its totient is φ = 58325845814040.

The previous prime is 116661560661161. The next prime is 116661560661169. The reversal of 116661560661166 is 661166065166611.

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

It is a self number, because there is not a number n which added to its sum of digits gives 116661560661166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116661560661161) 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 3 ways as a sum of consecutive naturals, for example, 2467228720 + ... + 2467276003.

It is an arithmetic number, because the mean of its divisors is an integer number (21875893067673).

Almost surely, 2^{116661560661166} is an apocalyptic number.

116661560661166 is a deficient number, since it is larger than the sum of its proper divisors (58345583880218).

116661560661166 is a wasteful number, since it uses less digits than its factorization.

116661560661166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934516546.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 116661560661166 in words is "one hundred sixteen trillion, six hundred sixty-one billion, five hundred sixty million, six hundred sixty-one thousand, one hundred sixty-six".