542738168 has 32 divisors (see below), whose sum is σ = 1182729600. Its totient is φ = 228658272.

The previous prime is 542738113. The next prime is 542738171. The reversal of 542738168 is 861837245.

It is a congruent number.

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, 78830 + ... + 85437.

It is an arithmetic number, because the mean of its divisors is an integer number (36960300).

Almost surely, 2^542738168 is an apocalyptic number.

It is an amenable number.

542738168 is an abundant number, since it is smaller than the sum of its proper divisors (639991432).

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

542738168 is a wasteful number, since it uses less digits than its factorization.

542738168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164339 (or 164335 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 542738168 is about 23296.7415747353. The cubic root of 542738168 is about 815.6993598044.

The spelling of 542738168 in words is "five hundred forty-two million, seven hundred thirty-eight thousand, one hundred sixty-eight".