116731166 has 4 divisors (see below), whose sum is σ = 175096752. Its totient is φ = 58365582.

The previous prime is 116731103. The next prime is 116731183. The reversal of 116731166 is 661137611.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29182790 + ... + 29182793.

It is an arithmetic number, because the mean of its divisors is an integer number (43774188).

Almost surely, 2^116731166 is an apocalyptic number.

116731166 is a deficient number, since it is larger than the sum of its proper divisors (58365586).

116731166 is an equidigital number, since it uses as much as digits as its factorization.

116731166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58365585.

The product of its digits is 4536, while the sum is 32.

The square root of 116731166 is about 10804.2198237541. The cubic root of 116731166 is about 488.7224334110.

Adding to 116731166 its reverse (661137611), we get a palindrome (777868777).

The spelling of 116731166 in words is "one hundred sixteen million, seven hundred thirty-one thousand, one hundred sixty-six".