2545760161 has 12 divisors (see below), whose sum is σ = 2962325568. Its totient is φ = 2181394152.

The previous prime is 2545760159. The next prime is 2545760209. The reversal of 2545760161 is 1610675452.

It is a happy number.

It is not a de Polignac number, because 2545760161 - 2¹ = 2545760159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545760161.

It is not an unprimeable number, because it can be changed into a prime (2545760101) 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 in 11 ways as a sum of consecutive naturals, for example, 206020 + ... + 218026.

It is an arithmetic number, because the mean of its divisors is an integer number (246860464).

Almost surely, 2^2545760161 is an apocalyptic number.

It is an amenable number.

2545760161 is a deficient number, since it is larger than the sum of its proper divisors (416565407).

2545760161 is a wasteful number, since it uses less digits than its factorization.

2545760161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16348 (or 16341 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 2545760161 is about 50455.5265654814. The cubic root of 2545760161 is about 1365.4396041896.

The spelling of 2545760161 in words is "two billion, five hundred forty-five million, seven hundred sixty thousand, one hundred sixty-one".