16131274673 has 2 divisors, whose sum is σ = 16131274674. Its totient is φ = 16131274672.

The previous prime is 16131274667. The next prime is 16131274693. The reversal of 16131274673 is 37647213161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8322547984 + 7808726689 = 91228^2 + 88367^2 .

It is a cyclic number.

It is not a de Polignac number, because 16131274673 - 2²⁸ = 15862839217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16131274673.

It is not a weakly prime, because it can be changed into another prime (16131274613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8065637336 + 8065637337.

It is an arithmetic number, because the mean of its divisors is an integer number (8065637337).

Almost surely, 2^16131274673 is an apocalyptic number.

It is an amenable number.

16131274673 is a deficient number, since it is larger than the sum of its proper divisors (1).

16131274673 is an equidigital number, since it uses as much as digits as its factorization.

16131274673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The spelling of 16131274673 in words is "sixteen billion, one hundred thirty-one million, two hundred seventy-four thousand, six hundred seventy-three".