2164056316394 has 16 divisors (see below), whose sum is σ = 3710303222208. Its totient is φ = 927329608512.

The previous prime is 2164056316381. The next prime is 2164056316417. The reversal of 2164056316394 is 4936136504612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10148924 + ... + 10359959.

It is an arithmetic number, because the mean of its divisors is an integer number (231893951388).

Almost surely, 2^{2164056316394} is an apocalyptic number.

2164056316394 is a deficient number, since it is larger than the sum of its proper divisors (1546246905814).

2164056316394 is a wasteful number, since it uses less digits than its factorization.

2164056316394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20516429.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 2164056316394 in words is "two trillion, one hundred sixty-four billion, fifty-six million, three hundred sixteen thousand, three hundred ninety-four".