16028820843 has 16 divisors (see below), whose sum is σ = 24471588096. Its totient is φ = 9141806880.

The previous prime is 16028820823. The next prime is 16028820853. The reversal of 16028820843 is 34802882061.

It is a happy number.

It is not a de Polignac number, because 16028820843 - 2¹² = 16028816747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16028820795 and 16028820804.

It is not an unprimeable number, because it can be changed into a prime (16028820803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718728 + ... + 740693.

It is an arithmetic number, because the mean of its divisors is an integer number (1529474256).

Almost surely, 2^16028820843 is an apocalyptic number.

16028820843 is a deficient number, since it is larger than the sum of its proper divisors (8442767253).

16028820843 is a wasteful number, since it uses less digits than its factorization.

16028820843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459954.

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 16028820843 in words is "sixteen billion, twenty-eight million, eight hundred twenty thousand, eight hundred forty-three".