4105731661 has 8 divisors (see below), whose sum is σ = 4123468800. Its totient is φ = 4088011152.

The previous prime is 4105731647. The next prime is 4105731683. The reversal of 4105731661 is 1661375014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4105731661 - 2¹¹ = 4105729613 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 (4105731631) 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 7 ways as a sum of consecutive naturals, for example, 853140 + ... + 857938.

It is an arithmetic number, because the mean of its divisors is an integer number (515433600).

Almost surely, 2^4105731661 is an apocalyptic number.

It is an amenable number.

4105731661 is a deficient number, since it is larger than the sum of its proper divisors (17737139).

4105731661 is a wasteful number, since it uses less digits than its factorization.

4105731661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 4105731661 is about 64075.9834961587. The cubic root of 4105731661 is about 1601.2661411492.

The spelling of 4105731661 in words is "four billion, one hundred five million, seven hundred thirty-one thousand, six hundred sixty-one".