503216146 has 16 divisors (see below), whose sum is σ = 765185400. Its totient is φ = 248168448.

The previous prime is 503216141. The next prime is 503216171. The reversal of 503216146 is 641612305.

It can be written as a sum of positive squares in 4 ways, for example, as 136072225 + 367143921 = 11665^2 + 19161^2 .

It is not an unprimeable number, because it can be changed into a prime (503216141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73810 + ... + 80338.

Almost surely, 2^503216146 is an apocalyptic number.

503216146 is a deficient number, since it is larger than the sum of its proper divisors (261969254).

503216146 is a wasteful number, since it uses less digits than its factorization.

503216146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 503216146 is about 22432.4797113471. The cubic root of 503216146 is about 795.3986613855.

The spelling of 503216146 in words is "five hundred three million, two hundred sixteen thousand, one hundred forty-six".