1159668 has 18 divisors (see below), whose sum is σ = 2931474. Its totient is φ = 386544.

The previous prime is 1159663. The next prime is 1159709. The reversal of 1159668 is 8669511.

1159668 is a `hidden beast` number, since 1 + 1 + 596 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1140624 + 19044 = 1068^2 + 138^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 32213 = 1159668 / (1 + 1 + 5 + 9 + 6 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16071 + ... + 16142.

2^1159668 is an apocalyptic number.

1159668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1159668 is an abundant number, since it is smaller than the sum of its proper divisors (1771806).

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

1159668 is a wasteful number, since it uses less digits than its factorization.

1159668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32223 (or 32218 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 1159668 is about 1076.8788232666. The cubic root of 1159668 is about 105.0617324062.

It can be divided in two parts, 11596 and 68, that added together give a square (11664 = 108²).

The spelling of 1159668 in words is "one million, one hundred fifty-nine thousand, six hundred sixty-eight".