168038542 has 24 divisors (see below), whose sum is σ = 295918920. Its totient is φ = 71351280.

The previous prime is 168038477. The next prime is 168038543. The reversal of 168038542 is 245830861.

It is a happy number.

168038542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168038543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2817 + ... + 18547.

It is an arithmetic number, because the mean of its divisors is an integer number (12329955).

Almost surely, 2^168038542 is an apocalyptic number.

168038542 is a deficient number, since it is larger than the sum of its proper divisors (127880378).

168038542 is a wasteful number, since it uses less digits than its factorization.

168038542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15856 (or 15849 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 168038542 is about 12962.9681014805. The cubic root of 168038542 is about 551.8270282623.

The spelling of 168038542 in words is "one hundred sixty-eight million, thirty-eight thousand, five hundred forty-two".