116666516166 has 64 divisors (see below), whose sum is σ = 238746916800. Its totient is φ = 37993220096.

The previous prime is 116666516159. The next prime is 116666516171. The reversal of 116666516166 is 661615666611.

It is a super-2 number, since 2×116666516166² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144210370 + ... + 144211178.

It is an arithmetic number, because the mean of its divisors is an integer number (3730420575).

Almost surely, 2^116666516166 is an apocalyptic number.

116666516166 is an abundant number, since it is smaller than the sum of its proper divisors (122080400634).

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

116666516166 is a wasteful number, since it uses less digits than its factorization.

116666516166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233.

The product of its digits is 1399680, while the sum is 51.

The spelling of 116666516166 in words is "one hundred sixteen billion, six hundred sixty-six million, five hundred sixteen thousand, one hundred sixty-six".