2555964161 has 16 divisors (see below), whose sum is σ = 2772849024. Its totient is φ = 2346618624.

The previous prime is 2555964137. The next prime is 2555964163. The reversal of 2555964161 is 1614695552.

It is a cyclic number.

It is not a de Polignac number, because 2555964161 - 2¹⁴ = 2555947777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2555964163) 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 in 15 ways as a sum of consecutive naturals, for example, 716795 + ... + 720351.

It is an arithmetic number, because the mean of its divisors is an integer number (173303064).

Almost surely, 2^2555964161 is an apocalyptic number.

It is an amenable number.

2555964161 is a deficient number, since it is larger than the sum of its proper divisors (216884863).

2555964161 is a wasteful number, since it uses less digits than its factorization.

2555964161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600.

The product of its digits is 324000, while the sum is 44.

The square root of 2555964161 is about 50556.5441955836. The cubic root of 2555964161 is about 1367.2615055322.

The spelling of 2555964161 in words is "two billion, five hundred fifty-five million, nine hundred sixty-four thousand, one hundred sixty-one".