4108072661 has 16 divisors (see below), whose sum is σ = 5423034240. Its totient is φ = 3012794880.

The previous prime is 4108072649. The next prime is 4108072681. The reversal of 4108072661 is 1662708014.

4108072661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4108072661 - 2¹⁸ = 4107810517 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 (4108072681) 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 15 ways as a sum of consecutive naturals, for example, 1567856 + ... + 1570473.

It is an arithmetic number, because the mean of its divisors is an integer number (338939640).

Almost surely, 2^4108072661 is an apocalyptic number.

It is an amenable number.

4108072661 is a deficient number, since it is larger than the sum of its proper divisors (1314961579).

4108072661 is a wasteful number, since it uses less digits than its factorization.

4108072661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138364.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 4108072661 is about 64094.2482676878. The cubic root of 4108072661 is about 1601.5704191782.

The spelling of 4108072661 in words is "four billion, one hundred eight million, seventy-two thousand, six hundred sixty-one".