166767053 has 2 divisors, whose sum is σ = 166767054. Its totient is φ = 166767052.

The previous prime is 166766989. The next prime is 166767067. The reversal of 166767053 is 350767661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161467849 + 5299204 = 12707^2 + 2302^2 .

It is a cyclic number.

It is not a de Polignac number, because 166767053 - 2⁶ = 166766989 is a prime.

It is a super-2 number, since 2×166767053² = 55622499932609618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166767053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166767253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83383526 + 83383527.

It is an arithmetic number, because the mean of its divisors is an integer number (83383527).

Almost surely, 2^166767053 is an apocalyptic number.

It is an amenable number.

166767053 is a deficient number, since it is larger than the sum of its proper divisors (1).

166767053 is an equidigital number, since it uses as much as digits as its factorization.

166767053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 166767053 is about 12913.8318480612. The cubic root of 166767053 is about 550.4316754297.

The spelling of 166767053 in words is "one hundred sixty-six million, seven hundred sixty-seven thousand, fifty-three".