1068436188 has 18 divisors (see below), whose sum is σ = 2700769344. Its totient is φ = 356145384.

The previous prime is 1068436121. The next prime is 1068436207. The reversal of 1068436188 is 8816348601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1068436188² = 2283111775655942688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14839356 + ... + 14839427.

Almost surely, 2^1068436188 is an apocalyptic number.

1068436188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1068436188 is an abundant number, since it is smaller than the sum of its proper divisors (1632333156).

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

1068436188 is a wasteful number, since it uses less digits than its factorization.

1068436188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29678793 (or 29678788 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1068436188 is about 32686.9421635001. The cubic root of 1068436188 is about 1022.3105980846.

The spelling of 1068436188 in words is "one billion, sixty-eight million, four hundred thirty-six thousand, one hundred eighty-eight".