503319664 has 10 divisors (see below), whose sum is σ = 975181880. Its totient is φ = 251659824.

The previous prime is 503319659. The next prime is 503319673. The reversal of 503319664 is 466913305.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15728724 + ... + 15728755.

It is an arithmetic number, because the mean of its divisors is an integer number (97518188).

Almost surely, 2^503319664 is an apocalyptic number.

It is an amenable number.

503319664 is a deficient number, since it is larger than the sum of its proper divisors (471862216).

503319664 is a wasteful number, since it uses less digits than its factorization.

503319664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31457487 (or 31457481 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 503319664 is about 22434.7869167505. The cubic root of 503319664 is about 795.4531988733.

It can be divided in two parts, 50331 and 9664, that added together give a palindrome (59995).

The spelling of 503319664 in words is "five hundred three million, three hundred nineteen thousand, six hundred sixty-four".