2666020006433 has 16 divisors (see below), whose sum is σ = 3059603470080. Its totient is φ = 2275632090816.

The previous prime is 2666020006423. The next prime is 2666020006457. The reversal of 2666020006433 is 3346000206662.

2666020006433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2666020006433 - 2²⁰ = 2666018957857 is a prime.

It is a super-2 number, since 2×2666020006433² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2666020006423) 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, 1570163 + ... + 2792391.

It is an arithmetic number, because the mean of its divisors is an integer number (191225216880).

Almost surely, 2^{2666020006433} is an apocalyptic number.

It is an amenable number.

2666020006433 is a deficient number, since it is larger than the sum of its proper divisors (393583463647).

2666020006433 is a wasteful number, since it uses less digits than its factorization.

2666020006433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223536.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 2666020006433 in words is "two trillion, six hundred sixty-six billion, twenty million, six thousand, four hundred thirty-three".