168433436 has 24 divisors (see below), whose sum is σ = 300464640. Its totient is φ = 82593392.

The previous prime is 168433429. The next prime is 168433459. The reversal of 168433436 is 634334861.

It is a self number, because there is not a number n which added to its sum of digits gives 168433436.

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 7 ways as a sum of consecutive naturals, for example, 194741 + ... + 195603.

It is an arithmetic number, because the mean of its divisors is an integer number (12519360).

Almost surely, 2^168433436 is an apocalyptic number.

It is an amenable number.

168433436 is a deficient number, since it is larger than the sum of its proper divisors (132031204).

168433436 is a wasteful number, since it uses less digits than its factorization.

168433436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753 (or 1751 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 168433436 is about 12978.1907830021. The cubic root of 168433436 is about 552.2589583467.

The spelling of 168433436 in words is "one hundred sixty-eight million, four hundred thirty-three thousand, four hundred thirty-six".