1168665 has 16 divisors (see below), whose sum is σ = 1980288. Its totient is φ = 586496.

The previous prime is 1168639. The next prime is 1168693. The reversal of 1168665 is 5668611.

It is a cyclic number.

It is not a de Polignac number, because 1168665 - 2⁷ = 1168537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037 + ... + 2546.

It is an arithmetic number, because the mean of its divisors is an integer number (123768).

2^1168665 is an apocalyptic number.

1168665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1168665 is a deficient number, since it is larger than the sum of its proper divisors (811623).

1168665 is a wasteful number, since it uses less digits than its factorization.

1168665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608.

The product of its digits is 8640, while the sum is 33.

The square root of 1168665 is about 1081.0481025375. The cubic root of 1168665 is about 105.3327313519.

The spelling of 1168665 in words is "one million, one hundred sixty-eight thousand, six hundred sixty-five".