1968276018 has 16 divisors (see below), whose sum is σ = 3995307360. Its totient is φ = 646299456.

The previous prime is 1968275989. The next prime is 1968276041. The reversal of 1968276018 is 8106728691.

It is a super-2 number, since 2×1968276018² = 7748220966067872648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2447703 + ... + 2448506.

It is an arithmetic number, because the mean of its divisors is an integer number (249706710).

Almost surely, 2^1968276018 is an apocalyptic number.

1968276018 is an abundant number, since it is smaller than the sum of its proper divisors (2027031342).

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

1968276018 is a wasteful number, since it uses less digits than its factorization.

1968276018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896281.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 1968276018 is about 44365.2568796801. The cubic root of 1968276018 is about 1253.2238952247.

The spelling of 1968276018 in words is "one billion, nine hundred sixty-eight million, two hundred seventy-six thousand, eighteen".