116666422166 has 16 divisors (see below), whose sum is σ = 202531223040. Its totient is φ = 49366984680.

The previous prime is 116666422141. The next prime is 116666422193. The reversal of 116666422166 is 661224666611.

It is a super-2 number, since 2×116666422166² (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 116666422166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52741400 + ... + 52743611.

It is an arithmetic number, because the mean of its divisors is an integer number (12658201440).

Almost surely, 2^116666422166 is an apocalyptic number.

116666422166 is a deficient number, since it is larger than the sum of its proper divisors (85864800874).

116666422166 is a wasteful number, since it uses less digits than its factorization.

116666422166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105485099.

The product of its digits is 746496, while the sum is 47.

The spelling of 116666422166 in words is "one hundred sixteen billion, six hundred sixty-six million, four hundred twenty-two thousand, one hundred sixty-six".