503123460616 has 64 divisors (see below), whose sum is σ = 1107665769600. Its totient is φ = 209719798272.

The previous prime is 503123460613. The next prime is 503123460647. The reversal of 503123460616 is 616064321305.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (503123460613) 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 15 ways as a sum of consecutive naturals, for example, 5797900 + ... + 5884036.

It is an arithmetic number, because the mean of its divisors is an integer number (17307277650).

Almost surely, 2^503123460616 is an apocalyptic number.

503123460616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503123460616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553832884800).

503123460616 is an abundant number, since it is smaller than the sum of its proper divisors (604542308984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503123460616 is a wasteful number, since it uses less digits than its factorization.

503123460616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89006 (or 89002 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 503123460616 in words is "five hundred three billion, one hundred twenty-three million, four hundred sixty thousand, six hundred sixteen".