16946021620266 has 16 divisors (see below), whose sum is σ = 34044025499904. Its totient is φ = 5623343496864.

The previous prime is 16946021620217. The next prime is 16946021620301. The reversal of 16946021620266 is 66202612064961.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6332592691 + ... + 6332595366.

It is an arithmetic number, because the mean of its divisors is an integer number (2127751593744).

Almost surely, 2^{16946021620266} is an apocalyptic number.

16946021620266 is an abundant number, since it is smaller than the sum of its proper divisors (17098003879638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16946021620266 is a wasteful number, since it uses less digits than its factorization.

16946021620266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12665188285.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 16946021620266 in words is "sixteen trillion, nine hundred forty-six billion, twenty-one million, six hundred twenty thousand, two hundred sixty-six".