168163126522 has 8 divisors (see below), whose sum is σ = 252253855476. Its totient is φ = 84078508032.

The previous prime is 168163126517. The next prime is 168163126541. The reversal of 168163126522 is 225621361861.

168163126522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 157403421081 + 10759705441 = 396741^2 + 103729^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458183 + ... + 1569274.

Almost surely, 2^168163126522 is an apocalyptic number.

168163126522 is a deficient number, since it is larger than the sum of its proper divisors (84090728954).

168163126522 is a wasteful number, since it uses less digits than its factorization.

168163126522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055232.

The product of its digits is 207360, while the sum is 43.

The spelling of 168163126522 in words is "one hundred sixty-eight billion, one hundred sixty-three million, one hundred twenty-six thousand, five hundred twenty-two".