66383703 has 12 divisors (see below), whose sum is σ = 95979000. Its totient is φ = 44213616.

The previous prime is 66383689. The next prime is 66383717. The reversal of 66383703 is 30738366.

It is an interprime number because it is at equal distance from previous prime (66383689) and next prime (66383717).

It is not a de Polignac number, because 66383703 - 2⁴ = 66383687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66383743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8673 + ... + 14421.

It is an arithmetic number, because the mean of its divisors is an integer number (7998250).

Almost surely, 2^66383703 is an apocalyptic number.

66383703 is a deficient number, since it is larger than the sum of its proper divisors (29595297).

66383703 is a wasteful number, since it uses less digits than its factorization.

66383703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038 (or 7035 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 66383703 is about 8147.6194682864. The cubic root of 66383703 is about 404.9056387389.

The spelling of 66383703 in words is "sixty-six million, three hundred eighty-three thousand, seven hundred three".