2119774646166 has 16 divisors (see below), whose sum is σ = 4385740647600. Its totient is φ = 682226322848.

The previous prime is 2119774646071. The next prime is 2119774646177. The reversal of 2119774646166 is 6616464779112.

It is a happy number.

It is a congruent 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, 6091306281 + ... + 6091306628.

It is an arithmetic number, because the mean of its divisors is an integer number (274108790475).

Almost surely, 2^{2119774646166} is an apocalyptic number.

2119774646166 is an abundant number, since it is smaller than the sum of its proper divisors (2265966001434).

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

2119774646166 is a wasteful number, since it uses less digits than its factorization.

2119774646166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12182612943.

The product of its digits is 18289152, while the sum is 60.

The spelling of 2119774646166 in words is "two trillion, one hundred nineteen billion, seven hundred seventy-four million, six hundred forty-six thousand, one hundred sixty-six".