3165433561 has 2 divisors, whose sum is σ = 3165433562. Its totient is φ = 3165433560.

The previous prime is 3165433553. The next prime is 3165433613. The reversal of 3165433561 is 1653345613.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2889707536 + 275726025 = 53756^2 + 16605^2 .

It is a cyclic number.

It is not a de Polignac number, because 3165433561 - 2³ = 3165433553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3165433561.

It is not a weakly prime, because it can be changed into another prime (3165433511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1582716780 + 1582716781.

It is an arithmetic number, because the mean of its divisors is an integer number (1582716781).

Almost surely, 2^3165433561 is an apocalyptic number.

It is an amenable number.

3165433561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3165433561 is an equidigital number, since it uses as much as digits as its factorization.

3165433561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The square root of 3165433561 is about 56262.1858889254. The cubic root of 3165433561 is about 1468.2873850823.

The spelling of 3165433561 in words is "three billion, one hundred sixty-five million, four hundred thirty-three thousand, five hundred sixty-one".