168429366 has 72 divisors (see below), whose sum is σ = 434480904. Its totient is φ = 46992960.

The previous prime is 168429347. The next prime is 168429377. The reversal of 168429366 is 663924861.

168429366 is a `hidden beast` number, since 168 + 429 + 3 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

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 in 35 ways as a sum of consecutive naturals, for example, 35706 + ... + 40146.

It is an arithmetic number, because the mean of its divisors is an integer number (6034457).

Almost surely, 2^168429366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168429366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217240452).

168429366 is an abundant number, since it is smaller than the sum of its proper divisors (266051538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168429366 is a wasteful number, since it uses less digits than its factorization.

168429366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506 (or 4496 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 168429366 is about 12978.0339805380. The cubic root of 168429366 is about 552.2545100770.

The spelling of 168429366 in words is "one hundred sixty-eight million, four hundred twenty-nine thousand, three hundred sixty-six".