66340107 has 16 divisors (see below), whose sum is σ = 99204480. Its totient is φ = 43811496.

The previous prime is 66340067. The next prime is 66340121. The reversal of 66340107 is 70104366.

66340107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66340107 - 2²³ = 57951499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66340177) 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 15 ways as a sum of consecutive naturals, for example, 8593 + ... + 14370.

It is an arithmetic number, because the mean of its divisors is an integer number (6200280).

Almost surely, 2^66340107 is an apocalyptic number.

66340107 is a deficient number, since it is larger than the sum of its proper divisors (32864373).

66340107 is a wasteful number, since it uses less digits than its factorization.

66340107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23079 (or 23073 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 66340107 is about 8144.9436462139. The cubic root of 66340107 is about 404.8169817790.

The spelling of 66340107 in words is "sixty-six million, three hundred forty thousand, one hundred seven".