166357 has 2 divisors, whose sum is σ = 166358. Its totient is φ = 166356.

The previous prime is 166351. The next prime is 166363. The reversal of 166357 is 753661.

166357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (166351) and next prime (166363).

It can be written as a sum of positive squares in only one way, i.e., 164836 + 1521 = 406^2 + 39^2 .

It is a cyclic number.

It is not a de Polignac number, because 166357 - 2³ = 166349 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83178 + 83179.

It is an arithmetic number, because the mean of its divisors is an integer number (83179).

2¹⁶⁶³⁵⁷ is an apocalyptic number.

It is an amenable number.

166357 is a deficient number, since it is larger than the sum of its proper divisors (1).

166357 is an equidigital number, since it uses as much as digits as its factorization.

166357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 166357 is about 407.8688514707. The cubic root of 166357 is about 54.9980164574.

The spelling of 166357 in words is "one hundred sixty-six thousand, three hundred fifty-seven".