2094371666 has 4 divisors (see below), whose sum is σ = 3141557502. Its totient is φ = 1047185832.

The previous prime is 2094371659. The next prime is 2094371681. The reversal of 2094371666 is 6661734902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1876189225 + 218182441 = 43315^2 + 14771^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523592915 + ... + 523592918.

Almost surely, 2^2094371666 is an apocalyptic number.

2094371666 is a deficient number, since it is larger than the sum of its proper divisors (1047185836).

2094371666 is a wasteful number, since it uses less digits than its factorization.

2094371666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047185835.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 2094371666 is about 45764.3055885261. The cubic root of 2094371666 is about 1279.4340894374.

The spelling of 2094371666 in words is "two billion, ninety-four million, three hundred seventy-one thousand, six hundred sixty-six".