2164446694 has 8 divisors (see below), whose sum is σ = 3387829680. Its totient is φ = 1035170136.

The previous prime is 2164446673. The next prime is 2164446707. The reversal of 2164446694 is 4966444612.

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

It is a super-3 number, since 3×2164446694³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 47053189 = 2164446694 / (2 + 1 + 6 + 4 + 4 + 4 + 6 + 6 + 9 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23526549 + ... + 23526640.

It is an arithmetic number, because the mean of its divisors is an integer number (423478710).

Almost surely, 2^2164446694 is an apocalyptic number.

2164446694 is a deficient number, since it is larger than the sum of its proper divisors (1223382986).

2164446694 is a wasteful number, since it uses less digits than its factorization.

2164446694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47053214.

The product of its digits is 995328, while the sum is 46.

The square root of 2164446694 is about 46523.6143694791. The cubic root of 2164446694 is about 1293.5472533961.

The spelling of 2164446694 in words is "two billion, one hundred sixty-four million, four hundred forty-six thousand, six hundred ninety-four".