166116315 has 16 divisors (see below), whose sum is σ = 266036256. Its totient is φ = 88512000.

The previous prime is 166116289. The next prime is 166116317. The reversal of 166116315 is 513611661.

It is not a de Polignac number, because 166116315 - 2⁸ = 166116059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166116317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13405 + ... + 22625.

It is an arithmetic number, because the mean of its divisors is an integer number (16627266).

Almost surely, 2^166116315 is an apocalyptic number.

166116315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166116315 is a deficient number, since it is larger than the sum of its proper divisors (99919941).

166116315 is a wasteful number, since it uses less digits than its factorization.

166116315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430.

The product of its digits is 3240, while the sum is 30.

The square root of 166116315 is about 12888.6118337081. The cubic root of 166116315 is about 549.7147997946.

Adding to 166116315 its reverse (513611661), we get a palindrome (679727976).

The spelling of 166116315 in words is "one hundred sixty-six million, one hundred sixteen thousand, three hundred fifteen".