1608120194 has 16 divisors (see below), whose sum is σ = 2427028800. Its totient is φ = 799120080.

The previous prime is 1608120193. The next prime is 1608120203. The reversal of 1608120194 is 4910218061.

It is a self number, because there is not a number n which added to its sum of digits gives 1608120194.

It is not an unprimeable number, because it can be changed into a prime (1608120191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481109 + ... + 484439.

It is an arithmetic number, because the mean of its divisors is an integer number (151689300).

Almost surely, 2^1608120194 is an apocalyptic number.

1608120194 is a deficient number, since it is larger than the sum of its proper divisors (818908606).

1608120194 is a wasteful number, since it uses less digits than its factorization.

1608120194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1608120194 is about 40101.3739664865. The cubic root of 1608120194 is about 1171.5823900320.

The spelling of 1608120194 in words is "one billion, six hundred eight million, one hundred twenty thousand, one hundred ninety-four".