1628039683320 has 128 divisors (see below), whose sum is σ = 4916814566400. Its totient is φ = 431247097856.

The previous prime is 1628039683297. The next prime is 1628039683327. The reversal of 1628039683320 is 233869308261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628039683327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10998037 + ... + 11145083.

It is an arithmetic number, because the mean of its divisors is an integer number (38412613800).

Almost surely, 2^{1628039683320} is an apocalyptic number.

1628039683320 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 1628039683320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2458407283200).

1628039683320 is an abundant number, since it is smaller than the sum of its proper divisors (3288774883080).

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

1628039683320 is a wasteful number, since it uses less digits than its factorization.

1628039683320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147677 (or 147673 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 1628039683320 in words is "one trillion, six hundred twenty-eight billion, thirty-nine million, six hundred eighty-three thousand, three hundred twenty".