66329107 has 4 divisors (see below), whose sum is σ = 71431360. Its totient is φ = 61226856.

The previous prime is 66329093. The next prime is 66329113. The reversal of 66329107 is 70192366.

66329107 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.

It is a cyclic number.

It is not a de Polignac number, because 66329107 - 2¹¹ = 66327059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66329117) 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, 2551107 + ... + 2551132.

It is an arithmetic number, because the mean of its divisors is an integer number (17857840).

Almost surely, 2^66329107 is an apocalyptic number.

66329107 is a deficient number, since it is larger than the sum of its proper divisors (5102253).

66329107 is a wasteful number, since it uses less digits than its factorization.

66329107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102252.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 66329107 is about 8144.2683526515. The cubic root of 66329107 is about 404.7946060089.

The spelling of 66329107 in words is "sixty-six million, three hundred twenty-nine thousand, one hundred seven".