168163168652 has 12 divisors (see below), whose sum is σ = 301129395336. Its totient is φ = 82126198560.

The previous prime is 168163168631. The next prime is 168163168681. The reversal of 168163168652 is 256861361861.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 168163168594 and 168163168603.

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, 488846249 + ... + 488846592.

It is an arithmetic number, because the mean of its divisors is an integer number (25094116278).

Almost surely, 2^168163168652 is an apocalyptic number.

It is an amenable number.

168163168652 is a deficient number, since it is larger than the sum of its proper divisors (132966226684).

168163168652 is a wasteful number, since it uses less digits than its factorization.

168163168652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977692888 (or 977692886 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The spelling of 168163168652 in words is "one hundred sixty-eight billion, one hundred sixty-three million, one hundred sixty-eight thousand, six hundred fifty-two".