1968063418 has 4 divisors (see below), whose sum is σ = 2952095130. Its totient is φ = 984031708.

The previous prime is 1968063401. The next prime is 1968063443. The reversal of 1968063418 is 8143608691.

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., 1694392569 + 273670849 = 41163^2 + 16543^2 .

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, 492015853 + ... + 492015856.

Almost surely, 2^1968063418 is an apocalyptic number.

1968063418 is a deficient number, since it is larger than the sum of its proper divisors (984031712).

1968063418 is an equidigital number, since it uses as much as digits as its factorization.

1968063418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984031711.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1968063418 is about 44362.8607959406. The cubic root of 1968063418 is about 1253.1787719813.

The spelling of 1968063418 in words is "one billion, nine hundred sixty-eight million, sixty-three thousand, four hundred eighteen".