2041837661 has 12 divisors (see below), whose sum is σ = 2112909372. Its totient is φ = 1973088000.

The previous prime is 2041837643. The next prime is 2041837697. The reversal of 2041837661 is 1667381402.

It can be written as a sum of positive squares in 2 ways, for example, as 980316100 + 1061521561 = 31310^2 + 32581^2 .

It is not a de Polignac number, because 2041837661 - 2¹⁰ = 2041836637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041837601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 980141 + ... + 982221.

It is an arithmetic number, because the mean of its divisors is an integer number (176075781).

Almost surely, 2^2041837661 is an apocalyptic number.

It is an amenable number.

2041837661 is a deficient number, since it is larger than the sum of its proper divisors (71071711).

2041837661 is a wasteful number, since it uses less digits than its factorization.

2041837661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2041837661 is about 45186.6978324374. The cubic root of 2041837661 is about 1268.6458505398.

The spelling of 2041837661 in words is "two billion, forty-one million, eight hundred thirty-seven thousand, six hundred sixty-one".