115551166 has 8 divisors (see below), whose sum is σ = 173375784. Its totient is φ = 57759240.

The previous prime is 115551133. The next prime is 115551169. The reversal of 115551166 is 661155511.

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

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115551169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4756 + ... + 15928.

It is an arithmetic number, because the mean of its divisors is an integer number (21671973).

Almost surely, 2^115551166 is an apocalyptic number.

115551166 is a deficient number, since it is larger than the sum of its proper divisors (57824618).

115551166 is a wasteful number, since it uses less digits than its factorization.

115551166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16346.

The product of its digits is 4500, while the sum is 31.

The square root of 115551166 is about 10749.4728242831. The cubic root of 115551166 is about 487.0700707460.

It can be divided in two parts, 11555 and 1166, that added together give a palindrome (12721).

The spelling of 115551166 in words is "one hundred fifteen million, five hundred fifty-one thousand, one hundred sixty-six".