500221416648 has 32 divisors (see below), whose sum is σ = 1265620456800. Its totient is φ = 164731550208.

The previous prime is 500221416647. The next prime is 500221416649. The reversal of 500221416648 is 846614122005.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (500221416647) and next prime (500221416649).

It is not an unprimeable number, because it can be changed into a prime (500221416647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125555593 + ... + 125559576.

It is an arithmetic number, because the mean of its divisors is an integer number (39550639275).

Almost surely, 2^500221416648 is an apocalyptic number.

It is an amenable number.

500221416648 is an abundant number, since it is smaller than the sum of its proper divisors (765399040152).

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

500221416648 is a wasteful number, since it uses less digits than its factorization.

500221416648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251115261 (or 251115257 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 500221416648 in words is "five hundred billion, two hundred twenty-one million, four hundred sixteen thousand, six hundred forty-eight".