503030066 has 32 divisors (see below), whose sum is σ = 963688320. Its totient is φ = 191203200.

The previous prime is 503030057. The next prime is 503030071. The reversal of 503030066 is 660030305.

It is an unprimeable number.

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, 33521 + ... + 46148.

It is an arithmetic number, because the mean of its divisors is an integer number (30115260).

Almost surely, 2^503030066 is an apocalyptic number.

503030066 is a deficient number, since it is larger than the sum of its proper divisors (460658254).

503030066 is a wasteful number, since it uses less digits than its factorization.

503030066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79730.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 503030066 is about 22428.3317703301. The cubic root of 503030066 is about 795.3006080729.

The spelling of 503030066 in words is "five hundred three million, thirty thousand, sixty-six".