168429325 has 12 divisors (see below), whose sum is σ = 210704148. Its totient is φ = 133548800.

The previous prime is 168429263. The next prime is 168429347. The reversal of 168429325 is 523924861.

It can be written as a sum of positive squares in 6 ways, for example, as 13003236 + 155426089 = 3606^2 + 12467^2 .

It is not a de Polignac number, because 168429325 - 2¹¹ = 168427277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26986 + ... + 32635.

It is an arithmetic number, because the mean of its divisors is an integer number (17558679).

Almost surely, 2^168429325 is an apocalyptic number.

It is an amenable number.

168429325 is a deficient number, since it is larger than the sum of its proper divisors (42274823).

168429325 is a wasteful number, since it uses less digits than its factorization.

168429325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59744 (or 59739 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 168429325 is about 12978.0324009458. The cubic root of 168429325 is about 552.2544652660.

The spelling of 168429325 in words is "one hundred sixty-eight million, four hundred twenty-nine thousand, three hundred twenty-five".