168629413 has 2 divisors, whose sum is σ = 168629414. Its totient is φ = 168629412.

The previous prime is 168629407. The next prime is 168629441. The reversal of 168629413 is 314926861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119727364 + 48902049 = 10942^2 + 6993^2 .

It is a cyclic number.

It is not a de Polignac number, because 168629413 - 2¹³ = 168621221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168629453) 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, 84314706 + 84314707.

It is an arithmetic number, because the mean of its divisors is an integer number (84314707).

Almost surely, 2^168629413 is an apocalyptic number.

It is an amenable number.

168629413 is a deficient number, since it is larger than the sum of its proper divisors (1).

168629413 is an equidigital number, since it uses as much as digits as its factorization.

168629413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 168629413 is about 12985.7388315028. The cubic root of 168629413 is about 552.4730648949.

The spelling of 168629413 in words is "one hundred sixty-eight million, six hundred twenty-nine thousand, four hundred thirteen".