16131611033 has 2 divisors, whose sum is σ = 16131611034. Its totient is φ = 16131611032.

The previous prime is 16131610961. The next prime is 16131611053. The reversal of 16131611033 is 33011613161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16048582489 + 83028544 = 126683^2 + 9112^2 .

It is a cyclic number.

It is not a de Polignac number, because 16131611033 - 2¹² = 16131606937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16131610993 and 16131611011.

It is not a weakly prime, because it can be changed into another prime (16131611053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8065805516 + 8065805517.

It is an arithmetic number, because the mean of its divisors is an integer number (8065805517).

Almost surely, 2^16131611033 is an apocalyptic number.

It is an amenable number.

16131611033 is a deficient number, since it is larger than the sum of its proper divisors (1).

16131611033 is an equidigital number, since it uses as much as digits as its factorization.

16131611033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 16131611033 in words is "sixteen billion, one hundred thirty-one million, six hundred eleven thousand, thirty-three".