2541661036 has 12 divisors (see below), whose sum is σ = 4601283120. Its totient is φ = 1227008720.

The previous prime is 2541660997. The next prime is 2541661039. The reversal of 2541661036 is 6301661452.

It is a junction number, because it is equal to n+sod(n) for n = 2541660992 and 2541661010.

It is not an unprimeable number, because it can be changed into a prime (2541661039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10955320 + ... + 10955551.

It is an arithmetic number, because the mean of its divisors is an integer number (383440260).

Almost surely, 2^2541661036 is an apocalyptic number.

It is an amenable number.

2541661036 is a deficient number, since it is larger than the sum of its proper divisors (2059622084).

2541661036 is a wasteful number, since it uses less digits than its factorization.

2541661036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21910904 (or 21910902 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2541661036 is about 50414.8890309202. The cubic root of 2541661036 is about 1364.7063439104.

The spelling of 2541661036 in words is "two billion, five hundred forty-one million, six hundred sixty-one thousand, thirty-six".