66167053 has 2 divisors, whose sum is σ = 66167054. Its totient is φ = 66167052.

The previous prime is 66167047. The next prime is 66167069. The reversal of 66167053 is 35076166.

It is a happy number.

66167053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63648484 + 2518569 = 7978^2 + 1587^2 .

It is a cyclic number.

It is not a de Polignac number, because 66167053 - 2¹³ = 66158861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66167083) 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 as a sum of consecutive naturals, namely, 33083526 + 33083527.

It is an arithmetic number, because the mean of its divisors is an integer number (33083527).

Almost surely, 2^66167053 is an apocalyptic number.

It is an amenable number.

66167053 is a deficient number, since it is larger than the sum of its proper divisors (1).

66167053 is an equidigital number, since it uses as much as digits as its factorization.

66167053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 66167053 is about 8134.3133084484. The cubic root of 66167053 is about 404.4646750342.

The spelling of 66167053 in words is "sixty-six million, one hundred sixty-seven thousand, fifty-three".