1067644068 has 24 divisors (see below), whose sum is σ = 2505091680. Its totient is φ = 353892480.

The previous prime is 1067644063. The next prime is 1067644073. The reversal of 1067644068 is 8604467601.

It is an interprime number because it is at equal distance from previous prime (1067644063) and next prime (1067644073).

It is a super-2 number, since 2×1067644068² = 2279727711871177248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1067644063) 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 7 ways as a sum of consecutive naturals, for example, 246373 + ... + 250668.

It is an arithmetic number, because the mean of its divisors is an integer number (104378820).

Almost surely, 2^1067644068 is an apocalyptic number.

It is an amenable number.

1067644068 is an abundant number, since it is smaller than the sum of its proper divisors (1437447612).

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

1067644068 is a wasteful number, since it uses less digits than its factorization.

1067644068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497227 (or 497225 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1067644068 is about 32674.8231517785. The cubic root of 1067644068 is about 1022.0578945276.

The spelling of 1067644068 in words is "one billion, sixty-seven million, six hundred forty-four thousand, sixty-eight".