166006313 has 16 divisors (see below), whose sum is σ = 183831552. Its totient is φ = 149894800.

The previous prime is 166006301. The next prime is 166006339. The reversal of 166006313 is 313600661.

It is not a de Polignac number, because 166006313 - 2¹² = 166002217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166006913) 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 15 ways as a sum of consecutive naturals, for example, 253895 + ... + 254547.

It is an arithmetic number, because the mean of its divisors is an integer number (11489472).

Almost surely, 2^166006313 is an apocalyptic number.

It is an amenable number.

166006313 is a deficient number, since it is larger than the sum of its proper divisors (17825239).

166006313 is an equidigital number, since it uses as much as digits as its factorization.

166006313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 166006313 is about 12884.3437163093. The cubic root of 166006313 is about 549.5934328677.

Adding to 166006313 its reverse (313600661), we get a palindrome (479606974).

The spelling of 166006313 in words is "one hundred sixty-six million, six thousand, three hundred thirteen".