1320168194 has 8 divisors (see below), whose sum is σ = 1980713280. Its totient is φ = 659930436.

The previous prime is 1320168173. The next prime is 1320168197. The reversal of 1320168194 is 4918610231.

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

It is not an unprimeable number, because it can be changed into a prime (1320168197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65774 + ... + 83465.

It is an arithmetic number, because the mean of its divisors is an integer number (247589160).

Almost surely, 2^1320168194 is an apocalyptic number.

1320168194 is a deficient number, since it is larger than the sum of its proper divisors (660545086).

1320168194 is a wasteful number, since it uses less digits than its factorization.

1320168194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153664.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1320168194 is about 36334.1188691841. The cubic root of 1320168194 is about 1097.0079000004.

The spelling of 1320168194 in words is "one billion, three hundred twenty million, one hundred sixty-eight thousand, one hundred ninety-four".