168358742 has 16 divisors (see below), whose sum is σ = 257504400. Its totient is φ = 82531680.

The previous prime is 168358741. The next prime is 168358759. The reversal of 168358742 is 247853861.

It is a junction number, because it is equal to n+sod(n) for n = 168358693 and 168358702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168358741) by changing a digit.

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, 47984 + ... + 51372.

It is an arithmetic number, because the mean of its divisors is an integer number (16094025).

Almost surely, 2^168358742 is an apocalyptic number.

168358742 is a deficient number, since it is larger than the sum of its proper divisors (89145658).

168358742 is a wasteful number, since it uses less digits than its factorization.

168358742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871.

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

The square root of 168358742 is about 12975.3127900641. The cubic root of 168358742 is about 552.1773108013.

The spelling of 168358742 in words is "one hundred sixty-eight million, three hundred fifty-eight thousand, seven hundred forty-two".