1068663868 has 12 divisors (see below), whose sum is σ = 1930489792. Its totient is φ = 517095360.

The previous prime is 1068663853. The next prime is 1068663913. The reversal of 1068663868 is 8683668601.

It is a super-2 number, since 2×1068663868² = 2284084925537442848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4309005 + ... + 4309252.

Almost surely, 2^1068663868 is an apocalyptic number.

It is an amenable number.

1068663868 is a deficient number, since it is larger than the sum of its proper divisors (861825924).

1068663868 is a wasteful number, since it uses less digits than its factorization.

1068663868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8618292 (or 8618290 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The square root of 1068663868 is about 32690.4247142799. The cubic root of 1068663868 is about 1022.3832098600.

The spelling of 1068663868 in words is "one billion, sixty-eight million, six hundred sixty-three thousand, eight hundred sixty-eight".