503122600664 has 16 divisors (see below), whose sum is σ = 949363508400. Its totient is φ = 249958998432.

The previous prime is 503122600661. The next prime is 503122600741. The reversal of 503122600664 is 466006221305.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503122600661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200286404 + ... + 200288915.

It is an arithmetic number, because the mean of its divisors is an integer number (59335219275).

Almost surely, 2^503122600664 is an apocalyptic number.

It is an amenable number.

503122600664 is a deficient number, since it is larger than the sum of its proper divisors (446240907736).

503122600664 is a wasteful number, since it uses less digits than its factorization.

503122600664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400575482 (or 400575478 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 503122600664 its reverse (466006221305), we get a palindrome (969128821969).

The spelling of 503122600664 in words is "five hundred three billion, one hundred twenty-two million, six hundred thousand, six hundred sixty-four".