166167733 has 2 divisors, whose sum is σ = 166167734. Its totient is φ = 166167732.

The previous prime is 166167679. The next prime is 166167739. The reversal of 166167733 is 337761661.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88322404 + 77845329 = 9398^2 + 8823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166167733 is a prime.

It is a super-2 number, since 2×166167733² = 55223430980718578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166167739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83083866 + 83083867.

It is an arithmetic number, because the mean of its divisors is an integer number (83083867).

Almost surely, 2^166167733 is an apocalyptic number.

It is an amenable number.

166167733 is a deficient number, since it is larger than the sum of its proper divisors (1).

166167733 is an equidigital number, since it uses as much as digits as its factorization.

166167733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 40.

The square root of 166167733 is about 12890.6063860472. The cubic root of 166167733 is about 549.7715117031.

The spelling of 166167733 in words is "one hundred sixty-six million, one hundred sixty-seven thousand, seven hundred thirty-three".