19109160493056 has 448 divisors, whose sum is σ = 57623514359040. Its totient is φ = 6257065328640.

The previous prime is 19109160493043. The next prime is 19109160493063. The reversal of 19109160493056 is 65039406190191.

It is a happy number.

19109160493056 is a `hidden beast` number, since 1 + 9 + 1 + 0 + 91 + 60 + 493 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 19109160492993 and 19109160493011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4601288676 + ... + 4601292828.

It is an arithmetic number, because the mean of its divisors is an integer number (128623915980).

Almost surely, 2^{19109160493056} is an apocalyptic number.

19109160493056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19109160493056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28811757179520).

19109160493056 is an abundant number, since it is smaller than the sum of its proper divisors (38514353865984).

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

19109160493056 is an equidigital number, since it uses as much as digits as its factorization.

19109160493056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 19109160493056 in words is "nineteen trillion, one hundred nine billion, one hundred sixty million, four hundred ninety-three thousand, fifty-six".