168432542 has 12 divisors (see below), whose sum is σ = 264112800. Its totient is φ = 80554188.

The previous prime is 168432541. The next prime is 168432557. The reversal of 168432542 is 245234861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168432541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78542 + ... + 80657.

It is an arithmetic number, because the mean of its divisors is an integer number (22009400).

Almost surely, 2^168432542 is an apocalyptic number.

168432542 is a deficient number, since it is larger than the sum of its proper divisors (95680258).

168432542 is a wasteful number, since it uses less digits than its factorization.

168432542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159247 (or 159224 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 168432542 is about 12978.1563405593. The cubic root of 168432542 is about 552.2579812636.

The spelling of 168432542 in words is "one hundred sixty-eight million, four hundred thirty-two thousand, five hundred forty-two".