168487434742 has 32 divisors (see below), whose sum is σ = 277337364480. Its totient is φ = 76133469120.

The previous prime is 168487434727. The next prime is 168487434767. The reversal of 168487434742 is 247434784861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2741098 + ... + 2801890.

It is an arithmetic number, because the mean of its divisors is an integer number (8666792640).

Almost surely, 2^168487434742 is an apocalyptic number.

168487434742 is a deficient number, since it is larger than the sum of its proper divisors (108849929738).

168487434742 is a wasteful number, since it uses less digits than its factorization.

168487434742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61548.

The product of its digits is 28901376, while the sum is 58.

The spelling of 168487434742 in words is "one hundred sixty-eight billion, four hundred eighty-seven million, four hundred thirty-four thousand, seven hundred forty-two".