1695106661 has 2 divisors, whose sum is σ = 1695106662. Its totient is φ = 1695106660.

The previous prime is 1695106657. The next prime is 1695106667. The reversal of 1695106661 is 1666015961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1131044161 + 564062500 = 33631^2 + 23750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1695106661 - 2² = 1695106657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1695106667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 847553330 + 847553331.

It is an arithmetic number, because the mean of its divisors is an integer number (847553331).

Almost surely, 2^1695106661 is an apocalyptic number.

It is an amenable number.

1695106661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1695106661 is an equidigital number, since it uses as much as digits as its factorization.

1695106661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1695106661 is about 41171.6730410606. The cubic root of 1695106661 is about 1192.3369703013.

The spelling of 1695106661 in words is "one billion, six hundred ninety-five million, one hundred six thousand, six hundred sixty-one".