168049741 has 2 divisors, whose sum is σ = 168049742. Its totient is φ = 168049740.

The previous prime is 168049733. The next prime is 168049757. The reversal of 168049741 is 147940861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107536900 + 60512841 = 10370^2 + 7779^2 .

It is a cyclic number.

It is not a de Polignac number, because 168049741 - 2³ = 168049733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168049694 and 168049703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168049241) 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, 84024870 + 84024871.

It is an arithmetic number, because the mean of its divisors is an integer number (84024871).

Almost surely, 2^168049741 is an apocalyptic number.

It is an amenable number.

168049741 is a deficient number, since it is larger than the sum of its proper divisors (1).

168049741 is an equidigital number, since it uses as much as digits as its factorization.

168049741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 168049741 is about 12963.4000555410. The cubic root of 168049741 is about 551.8392869056.

The spelling of 168049741 in words is "one hundred sixty-eight million, forty-nine thousand, seven hundred forty-one".