19016116020 has 576 divisors, whose sum is σ = 69119930880. Its totient is φ = 4180377600.

The previous prime is 19016115983. The next prime is 19016116033. The reversal of 19016116020 is 2061161091.

It is a super-2 number, since 2×19016116020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 174459726 + ... + 174459834.

It is an arithmetic number, because the mean of its divisors is an integer number (119999880).

Almost surely, 2^19016116020 is an apocalyptic number.

19016116020 is a gapful number since it is divisible by the number (10) 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 19016116020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34559965440).

19016116020 is an abundant number, since it is smaller than the sum of its proper divisors (50103814860).

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

19016116020 is a wasteful number, since it uses less digits than its factorization.

19016116020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 19016116020 in words is "nineteen billion, sixteen million, one hundred sixteen thousand, twenty".