168501702042 has 48 divisors (see below), whose sum is σ = 386673842880. Its totient is φ = 52848084096.

The previous prime is 168501702037. The next prime is 168501702043. The reversal of 168501702042 is 240207105861.

168501702042 is a `hidden beast` number, since 1 + 68 + 501 + 70 + 20 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 168501701988 and 168501702006.

It is not an unprimeable number, because it can be changed into a prime (168501702043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1011693 + ... + 1166415.

It is an arithmetic number, because the mean of its divisors is an integer number (8055705060).

Almost surely, 2^168501702042 is an apocalyptic number.

168501702042 is an abundant number, since it is smaller than the sum of its proper divisors (218172140838).

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

168501702042 is a wasteful number, since it uses less digits than its factorization.

168501702042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158307 (or 158304 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 168501702042 in words is "one hundred sixty-eight billion, five hundred one million, seven hundred two thousand, forty-two".