166235313 has 8 divisors (see below), whose sum is σ = 233312800. Its totient is φ = 104990688.

The previous prime is 166235297. The next prime is 166235323. The reversal of 166235313 is 313532661.

It is a happy number.

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

It is not a de Polignac number, because 166235313 - 2⁴ = 166235297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166235323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458148 + ... + 1458261.

It is an arithmetic number, because the mean of its divisors is an integer number (29164100).

Almost surely, 2^166235313 is an apocalyptic number.

It is an amenable number.

166235313 is a deficient number, since it is larger than the sum of its proper divisors (67077487).

166235313 is a wasteful number, since it uses less digits than its factorization.

166235313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916431.

The product of its digits is 9720, while the sum is 30.

The square root of 166235313 is about 12893.2274082171. The cubic root of 166235313 is about 549.8460318330.

Adding to 166235313 its reverse (313532661), we get a palindrome (479767974).

The spelling of 166235313 in words is "one hundred sixty-six million, two hundred thirty-five thousand, three hundred thirteen".