66003063 has 8 divisors (see below), whose sum is σ = 100576128. Its totient is φ = 37716024.

The previous prime is 66003053. The next prime is 66003083. The reversal of 66003063 is 36030066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66003063 - 2¹⁸ = 65740919 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66003053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571481 + ... + 1571522.

It is an arithmetic number, because the mean of its divisors is an integer number (12572016).

Almost surely, 2^66003063 is an apocalyptic number.

66003063 is a deficient number, since it is larger than the sum of its proper divisors (34573065).

66003063 is a wasteful number, since it uses less digits than its factorization.

66003063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143013.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 66003063 is about 8124.2269170672. The cubic root of 66003063 is about 404.1302536414.

The spelling of 66003063 in words is "sixty-six million, three thousand, sixty-three".