16115661548 has 24 divisors (see below), whose sum is σ = 32889108000. Its totient is φ = 6906711504.

The previous prime is 16115661539. The next prime is 16115661559. The reversal of 16115661548 is 84516651161.

16115661548 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 = 16115661499 and 16115661508.

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, 5871683 + ... + 5874426.

It is an arithmetic number, because the mean of its divisors is an integer number (1370379500).

Almost surely, 2^16115661548 is an apocalyptic number.

It is an amenable number.

16115661548 is an abundant number, since it is smaller than the sum of its proper divisors (16773446452).

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

16115661548 is a wasteful number, since it uses less digits than its factorization.

16115661548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11746134 (or 11746118 counting only the distinct ones).

The product of its digits is 172800, while the sum is 44.

The spelling of 16115661548 in words is "sixteen billion, one hundred fifteen million, six hundred sixty-one thousand, five hundred forty-eight".