503607668 has 6 divisors (see below), whose sum is σ = 881313426. Its totient is φ = 251803832.

The previous prime is 503607661. The next prime is 503607697. The reversal of 503607668 is 866706305.

It can be written as a sum of positive squares in only one way, i.e., 417711844 + 85895824 = 20438^2 + 9268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503607661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62950955 + ... + 62950962.

It is an arithmetic number, because the mean of its divisors is an integer number (146885571).

Almost surely, 2^503607668 is an apocalyptic number.

It is an amenable number.

503607668 is a deficient number, since it is larger than the sum of its proper divisors (377705758).

503607668 is a wasteful number, since it uses less digits than its factorization.

503607668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125901921 (or 125901919 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 503607668 is about 22441.2046913707. The cubic root of 503607668 is about 795.6048917482.

The spelling of 503607668 in words is "five hundred three million, six hundred seven thousand, six hundred sixty-eight".