16481566792 has 8 divisors (see below), whose sum is σ = 30902937750. Its totient is φ = 8240783392.

The previous prime is 16481566769. The next prime is 16481566813. The reversal of 16481566792 is 29766518461.

It can be written as a sum of positive squares in only one way, i.e., 16208854596 + 272712196 = 127314^2 + 16514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030097917 + ... + 1030097932.

Almost surely, 2^16481566792 is an apocalyptic number.

It is an amenable number.

16481566792 is a deficient number, since it is larger than the sum of its proper divisors (14421370958).

16481566792 is a wasteful number, since it uses less digits than its factorization.

16481566792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060195855 (or 2060195851 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 16481566792 in words is "sixteen billion, four hundred eighty-one million, five hundred sixty-six thousand, seven hundred ninety-two".