1889879950416 has 160 divisors (see below), whose sum is σ = 5268510293760. Its totient is φ = 581540257792.

The previous prime is 1889879950381. The next prime is 1889879950457. The reversal of 1889879950416 is 6140599789881.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 266966365 + ... + 266973443.

It is an arithmetic number, because the mean of its divisors is an integer number (32928189336).

Almost surely, 2^{1889879950416} is an apocalyptic number.

1889879950416 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 1889879950416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2634255146880).

1889879950416 is an abundant number, since it is smaller than the sum of its proper divisors (3378630343344).

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

1889879950416 is a wasteful number, since it uses less digits than its factorization.

1889879950416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333 (or 13327 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 75.

The spelling of 1889879950416 in words is "one trillion, eight hundred eighty-nine billion, eight hundred seventy-nine million, nine hundred fifty thousand, four hundred sixteen".