1165667 has 2 divisors, whose sum is σ = 1165668. Its totient is φ = 1165666.

The previous prime is 1165643. The next prime is 1165691. The reversal of 1165667 is 7665611.

It is a balanced prime because it is at equal distance from previous prime (1165643) and next prime (1165691).

It is a cyclic number.

It is not a de Polignac number, because 1165667 - 2¹⁴ = 1149283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1167667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582833 + 582834.

It is an arithmetic number, because the mean of its divisors is an integer number (582834).

2^1165667 is an apocalyptic number.

1165667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165667 is an equidigital number, since it uses as much as digits as its factorization.

1165667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 1165667 is about 1079.6605948167. The cubic root of 1165667 is about 105.2425834920.

The spelling of 1165667 in words is "one million, one hundred sixty-five thousand, six hundred sixty-seven".