66341867 has 8 divisors (see below), whose sum is σ = 69630624. Its totient is φ = 63086848.

The previous prime is 66341843. The next prime is 66341887. The reversal of 66341867 is 76814366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66341867 - 2¹⁰ = 66340843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66341827) 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 7 ways as a sum of consecutive naturals, for example, 4358 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (8703828).

Almost surely, 2^66341867 is an apocalyptic number.

66341867 is a deficient number, since it is larger than the sum of its proper divisors (3288757).

66341867 is a wasteful number, since it uses less digits than its factorization.

66341867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16869.

The product of its digits is 145152, while the sum is 41.

The square root of 66341867 is about 8145.0516879882. The cubic root of 66341867 is about 404.8205616727.

The spelling of 66341867 in words is "sixty-six million, three hundred forty-one thousand, eight hundred sixty-seven".