66330363 has 32 divisors (see below), whose sum is σ = 99493632. Its totient is φ = 38966400.

The previous prime is 66330361. The next prime is 66330371. The reversal of 66330363 is 36303366.

It is not a de Polignac number, because 66330363 - 2¹ = 66330361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66330363.

It is not an unprimeable number, because it can be changed into a prime (66330361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166881 + ... + 167277.

It is an arithmetic number, because the mean of its divisors is an integer number (3109176).

Almost surely, 2^66330363 is an apocalyptic number.

66330363 is a deficient number, since it is larger than the sum of its proper divisors (33163269).

66330363 is a wasteful number, since it uses less digits than its factorization.

66330363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

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

The square root of 66330363 is about 8144.3454617299. The cubic root of 66330363 is about 404.7971610401.

It can be divided in two parts, 663303 and 63, that added together give a palindrome (663366).

The spelling of 66330363 in words is "sixty-six million, three hundred thirty thousand, three hundred sixty-three".