15691927148 has 6 divisors (see below), whose sum is σ = 27460872516. Its totient is φ = 7845963572.

The previous prime is 15691927133. The next prime is 15691927159. The reversal of 15691927148 is 84172919651.

It is a self number, because there is not a number n which added to its sum of digits gives 15691927148.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961490890 + ... + 1961490897.

It is an arithmetic number, because the mean of its divisors is an integer number (4576812086).

Almost surely, 2^15691927148 is an apocalyptic number.

It is an amenable number.

15691927148 is a deficient number, since it is larger than the sum of its proper divisors (11768945368).

15691927148 is a wasteful number, since it uses less digits than its factorization.

15691927148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922981791 (or 3922981789 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 53.

The spelling of 15691927148 in words is "fifteen billion, six hundred ninety-one million, nine hundred twenty-seven thousand, one hundred forty-eight".