66339001 has 4 divisors (see below), whose sum is σ = 66816400. Its totient is φ = 65861604.

The previous prime is 66338999. The next prime is 66339017. The reversal of 66339001 is 10093366.

66339001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66339001 - 2¹ = 66338999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66339071) 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 in 3 ways as a sum of consecutive naturals, for example, 238491 + ... + 238768.

It is an arithmetic number, because the mean of its divisors is an integer number (16704100).

Almost surely, 2^66339001 is an apocalyptic number.

It is an amenable number.

66339001 is a deficient number, since it is larger than the sum of its proper divisors (477399).

66339001 is a wasteful number, since it uses less digits than its factorization.

66339001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477398.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 66339001 is about 8144.8757510474. The cubic root of 66339001 is about 404.8147321089.

The spelling of 66339001 in words is "sixty-six million, three hundred thirty-nine thousand, one".