2066042644601 has 16 divisors (see below), whose sum is σ = 2233862265600. Its totient is φ = 1899506334528.

The previous prime is 2066042644591. The next prime is 2066042644619. The reversal of 2066042644601 is 1064462406602.

It is a cyclic number.

It is not a de Polignac number, because 2066042644601 - 2⁶ = 2066042644537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2066042644691) 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, 3601940 + ... + 4135946.

It is an arithmetic number, because the mean of its divisors is an integer number (139616391600).

Almost surely, 2^{2066042644601} is an apocalyptic number.

It is an amenable number.

2066042644601 is a deficient number, since it is larger than the sum of its proper divisors (167819620999).

2066042644601 is a wasteful number, since it uses less digits than its factorization.

2066042644601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535208.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 2066042644601 in words is "two trillion, sixty-six billion, forty-two million, six hundred forty-four thousand, six hundred one".