2066906853 has 24 divisors (see below), whose sum is σ = 3260034336. Its totient is φ = 1251482400.

The previous prime is 2066906833. The next prime is 2066906867. The reversal of 2066906853 is 3586096602.

It is a happy number.

It is not a de Polignac number, because 2066906853 - 2¹⁸ = 2066644709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2066906799 and 2066906808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066906813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101238 + ... + 119928.

It is an arithmetic number, because the mean of its divisors is an integer number (135834764).

Almost surely, 2^2066906853 is an apocalyptic number.

It is an amenable number.

2066906853 is a deficient number, since it is larger than the sum of its proper divisors (1193127483).

2066906853 is a wasteful number, since it uses less digits than its factorization.

2066906853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19825 (or 19822 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 2066906853 is about 45463.2472773338. The cubic root of 2066906853 is about 1273.8167883523.

The spelling of 2066906853 in words is "two billion, sixty-six million, nine hundred six thousand, eight hundred fifty-three".