168809064 has 32 divisors (see below), whose sum is σ = 423541440. Its totient is φ = 56067200.

The previous prime is 168809057. The next prime is 168809083. The reversal of 168809064 is 460908861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5772 + ... + 19259.

It is an arithmetic number, because the mean of its divisors is an integer number (13235670).

Almost surely, 2^168809064 is an apocalyptic number.

It is an amenable number.

168809064 is an abundant number, since it is smaller than the sum of its proper divisors (254732376).

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

168809064 is a wasteful number, since it uses less digits than its factorization.

168809064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25321 (or 25317 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 168809064 is about 12992.6542322960. The cubic root of 168809064 is about 552.6691894641.

The spelling of 168809064 in words is "one hundred sixty-eight million, eight hundred nine thousand, sixty-four".