168541404 has 24 divisors (see below), whose sum is σ = 394722048. Its totient is φ = 55972080.

The previous prime is 168541379. The next prime is 168541453. The reversal of 168541404 is 404145861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22662 + ... + 29165.

It is an arithmetic number, because the mean of its divisors is an integer number (16446752).

Almost surely, 2^168541404 is an apocalyptic number.

It is an amenable number.

168541404 is an abundant number, since it is smaller than the sum of its proper divisors (226180644).

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

168541404 is a wasteful number, since it uses less digits than its factorization.

168541404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52105 (or 52103 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 168541404 is about 12982.3497102797. The cubic root of 168541404 is about 552.3769348419.

The spelling of 168541404 in words is "one hundred sixty-eight million, five hundred forty-one thousand, four hundred four".