1968145508 has 12 divisors (see below), whose sum is σ = 3936291072. Its totient is φ = 843490920.

The previous prime is 1968145493. The next prime is 1968145511. The reversal of 1968145508 is 8055418691.

It is a happy number.

1968145508 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35145428 + ... + 35145483.

It is an arithmetic number, because the mean of its divisors is an integer number (328024256).

Almost surely, 2^1968145508 is an apocalyptic number.

It is an amenable number.

1968145508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968145508 is a wasteful number, since it uses less digits than its factorization.

1968145508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70290922 (or 70290920 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 47.

The square root of 1968145508 is about 44363.7859971396. The cubic root of 1968145508 is about 1253.1961955416.

The spelling of 1968145508 in words is "one billion, nine hundred sixty-eight million, one hundred forty-five thousand, five hundred eight".