168308281034 has 8 divisors (see below), whose sum is σ = 252586854660. Its totient is φ = 84112662816.

The previous prime is 168308281033. The next prime is 168308281051. The reversal of 168308281034 is 430182803861.

It can be written as a sum of positive squares in 2 ways, for example, as 143955742225 + 24352538809 = 379415^2 + 156053^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (168308281033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20733779 + ... + 20741894.

Almost surely, 2^168308281034 is an apocalyptic number.

168308281034 is a deficient number, since it is larger than the sum of its proper divisors (84278573626).

168308281034 is a wasteful number, since it uses less digits than its factorization.

168308281034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41477704.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 168308281034 in words is "one hundred sixty-eight billion, three hundred eight million, two hundred eighty-one thousand, thirty-four".