1166607 has 24 divisors (see below), whose sum is σ = 1856400. Its totient is φ = 705744.

The previous prime is 1166603. The next prime is 1166609. The reversal of 1166607 is 7066611.

It is not a de Polignac number, because 1166607 - 2² = 1166603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166603) 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 23 ways as a sum of consecutive naturals, for example, 19744 + ... + 19802.

It is an arithmetic number, because the mean of its divisors is an integer number (77350).

2^1166607 is an apocalyptic number.

1166607 is a deficient number, since it is larger than the sum of its proper divisors (689793).

1166607 is an equidigital number, since it uses as much as digits as its factorization.

1166607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1166607 is about 1080.0958290818. The cubic root of 1166607 is about 105.2708652821.

The spelling of 1166607 in words is "one million, one hundred sixty-six thousand, six hundred seven".