5181650007068 has 24 divisors (see below), whose sum is σ = 9360511896960. Its totient is φ = 2507220034560.

The previous prime is 5181650007067. The next prime is 5181650007073. The reversal of 5181650007068 is 8607000561815.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181650007067) 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, 12981248 + ... + 13374456.

It is an arithmetic number, because the mean of its divisors is an integer number (390021329040).

Almost surely, 2^{5181650007068} is an apocalyptic number.

It is an amenable number.

5181650007068 is a deficient number, since it is larger than the sum of its proper divisors (4178861889892).

5181650007068 is a wasteful number, since it uses less digits than its factorization.

5181650007068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499517 (or 499515 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 5181650007068 in words is "five trillion, one hundred eighty-one billion, six hundred fifty million, seven thousand, sixty-eight".