1980703368 has 160 divisors (see below), whose sum is σ = 6417956160. Its totient is φ = 558990720.

The previous prime is 1980703343. The next prime is 1980703421. The reversal of 1980703368 is 8633070891.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 373858 + ... + 379118.

It is an arithmetic number, because the mean of its divisors is an integer number (40112226).

Almost surely, 2^1980703368 is an apocalyptic number.

1980703368 is a gapful number since it is divisible by the number (18) 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 1980703368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3208978080).

1980703368 is an abundant number, since it is smaller than the sum of its proper divisors (4437252792).

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

1980703368 is a wasteful number, since it uses less digits than its factorization.

1980703368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369 (or 5356 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1980703368 is about 44505.0937309428. The cubic root of 1980703368 is about 1255.8559089979.

The spelling of 1980703368 in words is "one billion, nine hundred eighty million, seven hundred three thousand, three hundred sixty-eight".