16731234361 has 2 divisors, whose sum is σ = 16731234362. Its totient is φ = 16731234360.

The previous prime is 16731234341. The next prime is 16731234389. The reversal of 16731234361 is 16343213761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15213742336 + 1517492025 = 123344^2 + 38955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16731234361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16731234361.

It is not a weakly prime, because it can be changed into another prime (16731234341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8365617180 + 8365617181.

It is an arithmetic number, because the mean of its divisors is an integer number (8365617181).

Almost surely, 2^16731234361 is an apocalyptic number.

It is an amenable number.

16731234361 is a deficient number, since it is larger than the sum of its proper divisors (1).

16731234361 is an equidigital number, since it uses as much as digits as its factorization.

16731234361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The spelling of 16731234361 in words is "sixteen billion, seven hundred thirty-one million, two hundred thirty-four thousand, three hundred sixty-one".