116205166 has 72 divisors (see below), whose sum is σ = 235606536. Its totient is φ = 42497280.

The previous prime is 116205119. The next prime is 116205179. The reversal of 116205166 is 661502611.

116205166 is a modest number, since divided by 5166 gives 1162 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 311356 + ... + 311728.

It is an arithmetic number, because the mean of its divisors is an integer number (3272313).

Almost surely, 2^116205166 is an apocalyptic number.

116205166 is an abundant number, since it is smaller than the sum of its proper divisors (119401370).

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

116205166 is a wasteful number, since it uses less digits than its factorization.

116205166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 116205166 is about 10779.8499989564. The cubic root of 116205166 is about 487.9872538774.

Adding to 116205166 its reverse (661502611), we get a palindrome (777707777).

The spelling of 116205166 in words is "one hundred sixteen million, two hundred five thousand, one hundred sixty-six".