1968768998 has 8 divisors (see below), whose sum is σ = 3375032592. Its totient is φ = 843758136.

The previous prime is 1968768983. The next prime is 1968769003. The reversal of 1968768998 is 8998678691.

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, 70313165 + ... + 70313192.

It is an arithmetic number, because the mean of its divisors is an integer number (421879074).

Almost surely, 2^1968768998 is an apocalyptic number.

1968768998 is a deficient number, since it is larger than the sum of its proper divisors (1406263594).

1968768998 is a wasteful number, since it uses less digits than its factorization.

1968768998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140626366.

The product of its digits is 94058496, while the sum is 71.

The square root of 1968768998 is about 44370.8124559377. The cubic root of 1968768998 is about 1253.3285151624.

The spelling of 1968768998 in words is "one billion, nine hundred sixty-eight million, seven hundred sixty-eight thousand, nine hundred ninety-eight".