168936077 has 2 divisors, whose sum is σ = 168936078. Its totient is φ = 168936076.

The previous prime is 168936067. The next prime is 168936109. The reversal of 168936077 is 770639861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168454441 + 481636 = 12979^2 + 694^2 .

It is an emirp because it is prime and its reverse (770639861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168936077 - 2¹² = 168931981 is a prime.

It is a super-2 number, since 2×168936077² = 57078796224299858, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168936037) 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, 84468038 + 84468039.

It is an arithmetic number, because the mean of its divisors is an integer number (84468039).

Almost surely, 2^168936077 is an apocalyptic number.

It is an amenable number.

168936077 is a deficient number, since it is larger than the sum of its proper divisors (1).

168936077 is an equidigital number, since it uses as much as digits as its factorization.

168936077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 168936077 is about 12997.5411905483. The cubic root of 168936077 is about 552.8077653046.

The spelling of 168936077 in words is "one hundred sixty-eight million, nine hundred thirty-six thousand, seventy-seven".