650626116500 has 48 divisors (see below), whose sum is σ = 1504553778000. Its totient is φ = 244941593600.

The previous prime is 650626116499. The next prime is 650626116557. The reversal of 650626116500 is 5611626056.

It can be written as a sum of positive squares in 8 ways, for example, as 48344575876 + 602281540624 = 219874^2 + 776068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38263625 + ... + 38280624.

It is an arithmetic number, because the mean of its divisors is an integer number (31344870375).

Almost surely, 2^650626116500 is an apocalyptic number.

It is an amenable number.

650626116500 is an abundant number, since it is smaller than the sum of its proper divisors (853927661500).

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

650626116500 is a wasteful number, since it uses less digits than its factorization.

650626116500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76544285 (or 76544273 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 650626116500 in words is "six hundred fifty billion, six hundred twenty-six million, one hundred sixteen thousand, five hundred".