165707 has 2 divisors, whose sum is σ = 165708. Its totient is φ = 165706.

The previous prime is 165703. The next prime is 165709. The reversal of 165707 is 707561.

165707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (707561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165707 - 2² = 165703 is a prime.

Together with 165709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (165701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82853 + 82854.

It is an arithmetic number, because the mean of its divisors is an integer number (82854).

2¹⁶⁵⁷⁰⁷ is an apocalyptic number.

165707 is a deficient number, since it is larger than the sum of its proper divisors (1).

165707 is an equidigital number, since it uses as much as digits as its factorization.

165707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 165707 is about 407.0712468352. The cubic root of 165707 is about 54.9262924505.

The spelling of 165707 in words is "one hundred sixty-five thousand, seven hundred seven".