15648437660 has 24 divisors (see below), whose sum is σ = 32864768496. Its totient is φ = 6258794240.

The previous prime is 15648437647. The next prime is 15648437719. The reversal of 15648437660 is 6673484651.

15648437660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15648437599 and 15648437608.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 233540 + ... + 292980.

It is an arithmetic number, because the mean of its divisors is an integer number (1369365354).

Almost surely, 2^15648437660 is an apocalyptic number.

15648437660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15648437660 is an abundant number, since it is smaller than the sum of its proper divisors (17216330836).

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

15648437660 is a wasteful number, since it uses less digits than its factorization.

15648437660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72613 (or 72611 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 15648437660 in words is "fifteen billion, six hundred forty-eight million, four hundred thirty-seven thousand, six hundred sixty".