1968137366 has 8 divisors (see below), whose sum is σ = 3179298864. Its totient is φ = 908371080.

The previous prime is 1968137357. The next prime is 1968137377. The reversal of 1968137366 is 6637318691.

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

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 37848770 + ... + 37848821.

It is an arithmetic number, because the mean of its divisors is an integer number (397412358).

Almost surely, 2^1968137366 is an apocalyptic number.

1968137366 is a deficient number, since it is larger than the sum of its proper divisors (1211161498).

1968137366 is a wasteful number, since it uses less digits than its factorization.

1968137366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75697606.

The product of its digits is 979776, while the sum is 50.

The square root of 1968137366 is about 44363.6942330099. The cubic root of 1968137366 is about 1253.1944674280.

The spelling of 1968137366 in words is "one billion, nine hundred sixty-eight million, one hundred thirty-seven thousand, three hundred sixty-six".