116166661055066 has 32 divisors (see below), whose sum is σ = 183352510545408. Its totient is φ = 55149621344640.

The previous prime is 116166661055059. The next prime is 116166661055069. The reversal of 116166661055066 is 660550166661611.

It is not an unprimeable number, because it can be changed into a prime (116166661055069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138343550 + ... + 139180713.

It is an arithmetic number, because the mean of its divisors is an integer number (5729765954544).

Almost surely, 2^{116166661055066} is an apocalyptic number.

116166661055066 is a deficient number, since it is larger than the sum of its proper divisors (67185849490342).

116166661055066 is a wasteful number, since it uses less digits than its factorization.

116166661055066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277524446.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 116166661055066 in words is "one hundred sixteen trillion, one hundred sixty-six billion, six hundred sixty-one million, fifty-five thousand, sixty-six".