4100204665 has 16 divisors (see below), whose sum is σ = 4955379408. Its totient is φ = 3256793856.

The previous prime is 4100204639. The next prime is 4100204681. The reversal of 4100204665 is 5664020014.

It can be written as a sum of positive squares in 8 ways, for example, as 116575209 + 3983629456 = 10797^2 + 63116^2 .

It is a cyclic number.

It is not a de Polignac number, because 4100204665 - 2¹⁵ = 4100171897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735067 + ... + 740623.

It is an arithmetic number, because the mean of its divisors is an integer number (309711213).

Almost surely, 2^4100204665 is an apocalyptic number.

It is an amenable number.

4100204665 is a deficient number, since it is larger than the sum of its proper divisors (855174743).

4100204665 is a wasteful number, since it uses less digits than its factorization.

4100204665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4100204665 is about 64032.8405195334. The cubic root of 4100204665 is about 1600.5472951930.

Adding to 4100204665 its reverse (5664020014), we get a palindrome (9764224679).

The spelling of 4100204665 in words is "four billion, one hundred million, two hundred four thousand, six hundred sixty-five".