1068689836 has 24 divisors (see below), whose sum is σ = 2026276560. Its totient is φ = 491215872.

The previous prime is 1068689821. The next prime is 1068689849. The reversal of 1068689836 is 6389868601.

It is a happy number.

It is a super-2 number, since 2×1068689836² = 2284195931139413792, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 179821 + ... + 185668.

It is an arithmetic number, because the mean of its divisors is an integer number (84428190).

Almost surely, 2^1068689836 is an apocalyptic number.

It is an amenable number.

1068689836 is a deficient number, since it is larger than the sum of its proper divisors (957586724).

1068689836 is a wasteful number, since it uses less digits than its factorization.

1068689836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365553 (or 365551 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 1068689836 is about 32690.8218923905. The cubic root of 1068689836 is about 1022.3914909273.

The spelling of 1068689836 in words is "one billion, sixty-eight million, six hundred eighty-nine thousand, eight hundred thirty-six".