16731537316 has 24 divisors (see below), whose sum is σ = 32301602424. Its totient is φ = 7533899520.

The previous prime is 16731537311. The next prime is 16731537331. The reversal of 16731537316 is 61373513761.

It can be written as a sum of positive squares in 4 ways, for example, as 372104100 + 16359433216 = 19290^2 + 127904^2 .

It is not an unprimeable number, because it can be changed into a prime (16731537311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3921775 + ... + 3926038.

It is an arithmetic number, because the mean of its divisors is an integer number (1345900101).

Almost surely, 2^16731537316 is an apocalyptic number.

It is an amenable number.

16731537316 is a deficient number, since it is larger than the sum of its proper divisors (15570065108).

16731537316 is a wasteful number, since it uses less digits than its factorization.

16731537316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847871 (or 7847869 counting only the distinct ones).

The product of its digits is 238140, while the sum is 43.

The spelling of 16731537316 in words is "sixteen billion, seven hundred thirty-one million, five hundred thirty-seven thousand, three hundred sixteen".