168432836 has 36 divisors (see below), whose sum is σ = 348206544. Its totient is φ = 70668000.

The previous prime is 168432829. The next prime is 168432851. The reversal of 168432836 is 638234861.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 168432793 and 168432802.

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, 3890 + ... + 18761.

It is an arithmetic number, because the mean of its divisors is an integer number (9672404).

Almost surely, 2^168432836 is an apocalyptic number.

It is an amenable number.

168432836 is an abundant number, since it is smaller than the sum of its proper divisors (179773708).

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

168432836 is a wasteful number, since it uses less digits than its factorization.

168432836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22692 (or 22677 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 168432836 is about 12978.1676672788. The cubic root of 168432836 is about 552.2583025866.

The spelling of 168432836 in words is "one hundred sixty-eight million, four hundred thirty-two thousand, eight hundred thirty-six".