398836514168 has 32 divisors (see below), whose sum is σ = 752017556160. Its totient is φ = 198300756480.

The previous prime is 398836514143. The next prime is 398836514227. The reversal of 398836514168 is 861415638893.

It is a self number, because there is not a number n which added to its sum of digits gives 398836514168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277921 + ... + 1559087.

It is an arithmetic number, because the mean of its divisors is an integer number (23500548630).

Almost surely, 2^398836514168 is an apocalyptic number.

It is an amenable number.

398836514168 is a deficient number, since it is larger than the sum of its proper divisors (353181041992).

398836514168 is a wasteful number, since it uses less digits than its factorization.

398836514168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282167 (or 282163 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 62.

The spelling of 398836514168 in words is "three hundred ninety-eight billion, eight hundred thirty-six million, five hundred fourteen thousand, one hundred sixty-eight".