166533113 has 2 divisors, whose sum is σ = 166533114. Its totient is φ = 166533112.

The previous prime is 166533089. The next prime is 166533121. The reversal of 166533113 is 311335661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154952704 + 11580409 = 12448^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 166533113 - 2¹⁰ = 166532089 is a prime.

It is not a weakly prime, because it can be changed into another prime (166533193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83266556 + 83266557.

It is an arithmetic number, because the mean of its divisors is an integer number (83266557).

Almost surely, 2^166533113 is an apocalyptic number.

It is an amenable number.

166533113 is a deficient number, since it is larger than the sum of its proper divisors (1).

166533113 is an equidigital number, since it uses as much as digits as its factorization.

166533113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 29.

The square root of 166533113 is about 12904.7709394627. The cubic root of 166533113 is about 550.1741740378.

Adding to 166533113 its reverse (311335661), we get a palindrome (477868774).

The spelling of 166533113 in words is "one hundred sixty-six million, five hundred thirty-three thousand, one hundred thirteen".