3165961 has 16 divisors (see below), whose sum is σ = 3535488. Its totient is φ = 2822400.

The previous prime is 3165947. The next prime is 3165971. The reversal of 3165961 is 1695613.

It is a 3-Lehmer number, since φ(3165961) divides (3165961-1)³.

It is a cyclic number.

It is not a de Polignac number, because 3165961 - 2¹¹ = 3163913 is a prime.

It is a Duffinian number.

3165961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3165941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44556 + ... + 44626.

It is an arithmetic number, because the mean of its divisors is an integer number (220968).

It is a Poulet number, since it divides 2^3165960-1.

Almost surely, 2^3165961 is an apocalyptic number.

It is an amenable number.

3165961 is a deficient number, since it is larger than the sum of its proper divisors (369527).

3165961 is a wasteful number, since it uses less digits than its factorization.

3165961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

The product of its digits is 4860, while the sum is 31.

The square root of 3165961 is about 1779.3147557417. The cubic root of 3165961 is about 146.8368931470.

The spelling of 3165961 in words is "three million, one hundred sixty-five thousand, nine hundred sixty-one".