16886770513 has 2 divisors, whose sum is σ = 16886770514. Its totient is φ = 16886770512.

The previous prime is 16886770489. The next prime is 16886770529. The reversal of 16886770513 is 31507768861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16741254544 + 145515969 = 129388^2 + 12063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16886770513 is a prime.

It is not a weakly prime, because it can be changed into another prime (16886770613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8443385256 + 8443385257.

It is an arithmetic number, because the mean of its divisors is an integer number (8443385257).

Almost surely, 2^16886770513 is an apocalyptic number.

It is an amenable number.

16886770513 is a deficient number, since it is larger than the sum of its proper divisors (1).

16886770513 is an equidigital number, since it uses as much as digits as its factorization.

16886770513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 16886770513 in words is "sixteen billion, eight hundred eighty-six million, seven hundred seventy thousand, five hundred thirteen".