1600477728 has 24 divisors (see below), whose sum is σ = 4201254288. Its totient is φ = 533492544.

The previous prime is 1600477691. The next prime is 1600477751. The reversal of 1600477728 is 8277740061.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1600477728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8335726 + ... + 8335917.

It is an arithmetic number, because the mean of its divisors is an integer number (175052262).

Almost surely, 2^1600477728 is an apocalyptic number.

It is an amenable number.

1600477728 is an abundant number, since it is smaller than the sum of its proper divisors (2600776560).

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

1600477728 is a wasteful number, since it uses less digits than its factorization.

1600477728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16671656 (or 16671648 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 1600477728 is about 40005.9711543165. The cubic root of 1600477728 is about 1169.7234907970.

The spelling of 1600477728 in words is "one billion, six hundred million, four hundred seventy-seven thousand, seven hundred twenty-eight".