66363303 has 16 divisors (see below), whose sum is σ = 93851136. Its totient is φ = 41622240.

The previous prime is 66363287. The next prime is 66363307. The reversal of 66363303 is 30336366.

It is not a de Polignac number, because 66363303 - 2⁴ = 66363287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66363307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3675 + ... + 12092.

It is an arithmetic number, because the mean of its divisors is an integer number (5865696).

Almost surely, 2^66363303 is an apocalyptic number.

66363303 is a deficient number, since it is larger than the sum of its proper divisors (27487833).

66363303 is a wasteful number, since it uses less digits than its factorization.

66363303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15854.

The product of its (nonzero) digits is 17496, while the sum is 30.

The square root of 66363303 is about 8146.3674726838. The cubic root of 66363303 is about 404.8641580696.

Adding to 66363303 its reverse (30336366), we get a palindrome (96699669).

It can be divided in two parts, 66363 and 303, that added together give a palindrome (66666).

The spelling of 66363303 in words is "sixty-six million, three hundred sixty-three thousand, three hundred three".