3644200666541 has 16 divisors (see below), whose sum is σ = 3820072112640. Its totient is φ = 3472264061760.

The previous prime is 3644200666529. The next prime is 3644200666571. The reversal of 3644200666541 is 1456660024463.

3644200666541 is digitally balanced in base 2, 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 3644200666541 - 2³⁴ = 3627020797357 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 (3644200666511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1663046 + ... + 3170823.

It is an arithmetic number, because the mean of its divisors is an integer number (238754507040).

Almost surely, 2^{3644200666541} is an apocalyptic number.

3644200666541 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3644200666541 is a deficient number, since it is larger than the sum of its proper divisors (175871446099).

3644200666541 is a wasteful number, since it uses less digits than its factorization.

3644200666541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834276.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 3644200666541 in words is "three trillion, six hundred forty-four billion, two hundred million, six hundred sixty-six thousand, five hundred forty-one".