166136313 has 24 divisors (see below), whose sum is σ = 258502752. Its totient is φ = 94632384.

The previous prime is 166136293. The next prime is 166136317. The reversal of 166136313 is 313631661.

It is not a de Polignac number, because 166136313 - 2⁵ = 166136281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166136317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49381 + ... + 52637.

It is an arithmetic number, because the mean of its divisors is an integer number (10770948).

Almost surely, 2^166136313 is an apocalyptic number.

It is an amenable number.

166136313 is a deficient number, since it is larger than the sum of its proper divisors (92366439).

166136313 is a wasteful number, since it uses less digits than its factorization.

166136313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621 (or 3614 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 166136313 is about 12889.3876115198. The cubic root of 166136313 is about 549.7368581446.

Adding to 166136313 its reverse (313631661), we get a palindrome (479767974).

The spelling of 166136313 in words is "one hundred sixty-six million, one hundred thirty-six thousand, three hundred thirteen".