2505146161 has 16 divisors (see below), whose sum is σ = 2942513280. Its totient is φ = 2087735040.

The previous prime is 2505146123. The next prime is 2505146213. The reversal of 2505146161 is 1616415052.

It is a cyclic number.

It is not a de Polignac number, because 2505146161 - 2¹¹ = 2505144113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2505146461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497625 + ... + 502633.

It is an arithmetic number, because the mean of its divisors is an integer number (183907080).

Almost surely, 2^2505146161 is an apocalyptic number.

It is an amenable number.

2505146161 is a deficient number, since it is larger than the sum of its proper divisors (437367119).

2505146161 is a wasteful number, since it uses less digits than its factorization.

2505146161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2505146161 is about 50051.4351542491. The cubic root of 2505146161 is about 1358.1394253803.

The spelling of 2505146161 in words is "two billion, five hundred five million, one hundred forty-six thousand, one hundred sixty-one".