66014867 has 6 divisors (see below), whose sum is σ = 66388068. Its totient is φ = 65643732.

The previous prime is 66014857. The next prime is 66014887. The reversal of 66014867 is 76841066.

It is not a de Polignac number, because 66014867 - 2¹² = 66010771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66014867.

It is not an unprimeable number, because it can be changed into a prime (66014857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38768 + ... + 40434.

It is an arithmetic number, because the mean of its divisors is an integer number (11064678).

Almost surely, 2^66014867 is an apocalyptic number.

66014867 is a deficient number, since it is larger than the sum of its proper divisors (373201).

66014867 is an equidigital number, since it uses as much as digits as its factorization.

66014867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 66014867 is about 8124.9533537123. The cubic root of 66014867 is about 404.1543437818.

The spelling of 66014867 in words is "sixty-six million, fourteen thousand, eight hundred sixty-seven".