19283428500168 has 128 divisors (see below), whose sum is σ = 55604774246400. Its totient is φ = 5458662644736.

The previous prime is 19283428500137. The next prime is 19283428500169. The reversal of 19283428500168 is 86100582438291.

It is a super-2 number, since 2×19283428500168² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19283428500169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48762805 + ... + 49156667.

It is an arithmetic number, because the mean of its divisors is an integer number (434412298800).

Almost surely, 2^{19283428500168} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19283428500168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27802387123200).

19283428500168 is an abundant number, since it is smaller than the sum of its proper divisors (36321345746232).

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

19283428500168 is a wasteful number, since it uses less digits than its factorization.

19283428500168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396571 (or 396567 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 19283428500168 in words is "nineteen trillion, two hundred eighty-three billion, four hundred twenty-eight million, five hundred thousand, one hundred sixty-eight".