163868470798 has 8 divisors (see below), whose sum is σ = 245857549608. Its totient is φ = 81915954264.

The previous prime is 163868470789. The next prime is 163868470817. The reversal of 163868470798 is 897074868361.

It is a happy number.

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

It is a congruent number.

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, 9129361 + ... + 9147292.

It is an arithmetic number, because the mean of its divisors is an integer number (30732193701).

Almost surely, 2^163868470798 is an apocalyptic number.

163868470798 is a deficient number, since it is larger than the sum of its proper divisors (81989078810).

163868470798 is a wasteful number, since it uses less digits than its factorization.

163868470798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18281138.

The product of its (nonzero) digits is 97542144, while the sum is 67.

The spelling of 163868470798 in words is "one hundred sixty-three billion, eight hundred sixty-eight million, four hundred seventy thousand, seven hundred ninety-eight".