168873037 has 2 divisors, whose sum is σ = 168873038. Its totient is φ = 168873036.

The previous prime is 168873013. The next prime is 168873049. The reversal of 168873037 is 730378861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97199881 + 71673156 = 9859^2 + 8466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168873037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168872984 and 168873002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168873097) 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 as a sum of consecutive naturals, namely, 84436518 + 84436519.

It is an arithmetic number, because the mean of its divisors is an integer number (84436519).

Almost surely, 2^168873037 is an apocalyptic number.

It is an amenable number.

168873037 is a deficient number, since it is larger than the sum of its proper divisors (1).

168873037 is an equidigital number, since it uses as much as digits as its factorization.

168873037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 168873037 is about 12995.1158902104. The cubic root of 168873037 is about 552.7389950380.

The spelling of 168873037 in words is "one hundred sixty-eight million, eight hundred seventy-three thousand, thirty-seven".