1068659865 has 288 divisors, whose sum is σ = 2587052160. Its totient is φ = 414554112.

The previous prime is 1068659827. The next prime is 1068659909. The reversal of 1068659865 is 5689568601.

It is a happy number.

It is not a de Polignac number, because 1068659865 - 2⁸ = 1068659609 is a prime.

It is a super-2 number, since 2×1068659865² = 2284067814123636450, 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 287 ways as a sum of consecutive naturals, for example, 24852534 + ... + 24852576.

It is an arithmetic number, because the mean of its divisors is an integer number (8982820).

Almost surely, 2^1068659865 is an apocalyptic number.

1068659865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1068659865 is an abundant number, since it is smaller than the sum of its proper divisors (1518392295).

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

1068659865 is a wasteful number, since it uses less digits than its factorization.

1068659865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 1068659865 is about 32690.3634883432. The cubic root of 1068659865 is about 1022.3819333111.

The spelling of 1068659865 in words is "one billion, sixty-eight million, six hundred fifty-nine thousand, eight hundred sixty-five".