1218067968 has 80 divisors (see below), whose sum is σ = 3494682576. Its totient is φ = 374784000.

The previous prime is 1218067967. The next prime is 1218067987. The reversal of 1218067968 is 8697608121.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218067967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10533 + ... + 50468.

Almost surely, 2^1218067968 is an apocalyptic number.

It is an amenable number.

1218067968 is an abundant number, since it is smaller than the sum of its proper divisors (2276614608).

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

1218067968 is an equidigital number, since it uses as much as digits as its factorization.

1218067968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61035 (or 61019 counting only the distinct ones).

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

The square root of 1218067968 is about 34900.8304772250. The cubic root of 1218067968 is about 1067.9653792309.

The spelling of 1218067968 in words is "one billion, two hundred eighteen million, sixty-seven thousand, nine hundred sixty-eight".