1919114530816 has 208 divisors, whose sum is σ = 4685244660864. Its totient is φ = 767224184832.

The previous prime is 1919114530813. The next prime is 1919114530831. The reversal of 1919114530816 is 6180354119191.

It is a self number, because there is not a number n which added to its sum of digits gives 1919114530816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919114530813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55061491 + ... + 55096333.

Almost surely, 2^{1919114530816} is an apocalyptic number.

1919114530816 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 1919114530816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2342622330432).

1919114530816 is an abundant number, since it is smaller than the sum of its proper divisors (2766130130048).

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

1919114530816 is a wasteful number, since it uses less digits than its factorization.

1919114530816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35004 (or 34982 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 49.

The spelling of 1919114530816 in words is "one trillion, nine hundred nineteen billion, one hundred fourteen million, five hundred thirty thousand, eight hundred sixteen".