66074103 has 16 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 43972632.

The previous prime is 66074089. The next prime is 66074117. The reversal of 66074103 is 30147066.

It is an interprime number because it is at equal distance from previous prime (66074089) and next prime (66074117).

It is not a de Polignac number, because 66074103 - 2¹⁰ = 66073079 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 (66074123) 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 15 ways as a sum of consecutive naturals, for example, 16650 + ... + 20232.

It is an arithmetic number, because the mean of its divisors is an integer number (6128640).

Almost surely, 2^66074103 is an apocalyptic number.

66074103 is a deficient number, since it is larger than the sum of its proper divisors (31984137).

66074103 is a wasteful number, since it uses less digits than its factorization.

66074103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275 (or 4269 counting only the distinct ones).

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

The square root of 66074103 is about 8128.5978495679. The cubic root of 66074103 is about 404.2751919617.

The spelling of 66074103 in words is "sixty-six million, seventy-four thousand, one hundred three".