15533646116 has 6 divisors (see below), whose sum is σ = 27183880710. Its totient is φ = 7766823056.

The previous prime is 15533646053. The next prime is 15533646119. The reversal of 15533646116 is 61164633551.

It can be written as a sum of positive squares in only one way, i.e., 7956640000 + 7577006116 = 89200^2 + 87046^2 .

It is not an unprimeable number, because it can be changed into a prime (15533646119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1941705761 + ... + 1941705768.

It is an arithmetic number, because the mean of its divisors is an integer number (4530646785).

Almost surely, 2^15533646116 is an apocalyptic number.

It is an amenable number.

15533646116 is a deficient number, since it is larger than the sum of its proper divisors (11650234594).

15533646116 is a wasteful number, since it uses less digits than its factorization.

15533646116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883411533 (or 3883411531 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The spelling of 15533646116 in words is "fifteen billion, five hundred thirty-three million, six hundred forty-six thousand, one hundred sixteen".