41812661 has 16 divisors (see below), whose sum is σ = 47331648. Its totient is φ = 36604800.

The previous prime is 41812637. The next prime is 41812679. The reversal of 41812661 is 16621814.

41812661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-41812661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41812621) 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, 36875 + ... + 37991.

It is an arithmetic number, because the mean of its divisors is an integer number (2958228).

Almost surely, 2^41812661 is an apocalyptic number.

41812661 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41812661 is a deficient number, since it is larger than the sum of its proper divisors (5518987).

41812661 is a wasteful number, since it uses less digits than its factorization.

41812661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its digits is 2304, while the sum is 29.

The square root of 41812661 is about 6466.2710274160. The cubic root of 41812661 is about 347.0850724484.

The spelling of 41812661 in words is "forty-one million, eight hundred twelve thousand, six hundred sixty-one".