168937 has 2 divisors, whose sum is σ = 168938. Its totient is φ = 168936.

The previous prime is 168913. The next prime is 168943. The reversal of 168937 is 739861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168921 + 16 = 411^2 + 4^2 .

It is an emirp because it is prime and its reverse (739861) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168937 is a prime.

168937 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84468 + 84469.

It is an arithmetic number, because the mean of its divisors is an integer number (84469).

2¹⁶⁸⁹³⁷ is an apocalyptic number.

It is an amenable number.

168937 is a deficient number, since it is larger than the sum of its proper divisors (1).

168937 is an equidigital number, since it uses as much as digits as its factorization.

168937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 168937 is about 411.0194642593. The cubic root of 168937 is about 55.2808772077.

It can be divided in two parts, 16893 and 7, that added together give a square (16900 = 130²).

The spelling of 168937 in words is "one hundred sixty-eight thousand, nine hundred thirty-seven".