4043360661 has 8 divisors (see below), whose sum is σ = 5479527264. Its totient is φ = 2651383920.

The previous prime is 4043360627. The next prime is 4043360663. The reversal of 4043360661 is 1660633404.

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

It is not a de Polignac number, because 4043360661 - 2⁹ = 4043360149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043360663) 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 7 ways as a sum of consecutive naturals, for example, 11047251 + ... + 11047616.

It is an arithmetic number, because the mean of its divisors is an integer number (684940908).

Almost surely, 2^4043360661 is an apocalyptic number.

It is an amenable number.

4043360661 is a deficient number, since it is larger than the sum of its proper divisors (1436166603).

4043360661 is a wasteful number, since it uses less digits than its factorization.

4043360661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22094931.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 4043360661 is about 63587.4253370900. The cubic root of 4043360661 is about 1593.1163464434.

The spelling of 4043360661 in words is "four billion, forty-three million, three hundred sixty thousand, six hundred sixty-one".