163789999998 has 8 divisors (see below), whose sum is σ = 327580000008. Its totient is φ = 54596666664.

The previous prime is 163789999993. The next prime is 163790000021. The reversal of 163789999998 is 899999987361.

It is a happy number.

163789999998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

163789999998 is an admirable number.

It is a super-3 number, since 3×163789999998³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163789999993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13649166661 + ... + 13649166672.

It is an arithmetic number, because the mean of its divisors is an integer number (40947500001).

Almost surely, 2^163789999998 is an apocalyptic number.

163789999998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163789999998 is a wasteful number, since it uses less digits than its factorization.

163789999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27298333338.

The product of its digits is 4285540224, while the sum is 87.

The spelling of 163789999998 in words is "one hundred sixty-three billion, seven hundred eighty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-eight".