1706161813 has 2 divisors, whose sum is σ = 1706161814. Its totient is φ = 1706161812.

The previous prime is 1706161763. The next prime is 1706161817. The reversal of 1706161813 is 3181616071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1569902884 + 136258929 = 39622^2 + 11673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1706161813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1706161817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 853080906 + 853080907.

It is an arithmetic number, because the mean of its divisors is an integer number (853080907).

Almost surely, 2^1706161813 is an apocalyptic number.

It is an amenable number.

1706161813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1706161813 is an equidigital number, since it uses as much as digits as its factorization.

1706161813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1706161813 is about 41305.7116268441. The cubic root of 1706161813 is about 1194.9234180016.

Adding to 1706161813 its reverse (3181616071), we get a palindrome (4887777884).

The spelling of 1706161813 in words is "one billion, seven hundred six million, one hundred sixty-one thousand, eight hundred thirteen".