1868916976 has 20 divisors (see below), whose sum is σ = 3664656072. Its totient is φ = 923199296.

The previous prime is 1868916971. The next prime is 1868916979. The reversal of 1868916976 is 6796198681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868916971) by changing a digit.

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, 702331 + ... + 704986.

Almost surely, 2^1868916976 is an apocalyptic number.

1868916976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1868916976 is a deficient number, since it is larger than the sum of its proper divisors (1795739096).

1868916976 is a wasteful number, since it uses less digits than its factorization.

1868916976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407408 (or 1407402 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 61.

The square root of 1868916976 is about 43230.9724156189. The cubic root of 1868916976 is about 1231.7710789313.

The spelling of 1868916976 in words is "one billion, eight hundred sixty-eight million, nine hundred sixteen thousand, nine hundred seventy-six".