2069890066 has 8 divisors (see below), whose sum is σ = 3105100080. Its totient is φ = 1034856708.

The previous prime is 2069890021. The next prime is 2069890073. The reversal of 2069890066 is 6600989602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2069889998 and 2069890025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9396 + ... + 65023.

It is an arithmetic number, because the mean of its divisors is an integer number (388137510).

Almost surely, 2^2069890066 is an apocalyptic number.

2069890066 is a deficient number, since it is larger than the sum of its proper divisors (1035210014).

2069890066 is a wasteful number, since it uses less digits than its factorization.

2069890066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88328.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2069890066 is about 45496.0445093856. The cubic root of 2069890066 is about 1274.4293365216.

The spelling of 2069890066 in words is "two billion, sixty-nine million, eight hundred ninety thousand, sixty-six".