1600428133608 has 128 divisors (see below), whose sum is σ = 4203904942080. Its totient is φ = 506761263360.

The previous prime is 1600428133589. The next prime is 1600428133643. The reversal of 1600428133608 is 8063318240061.

It is a super-2 number, since 2×1600428133608² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1600428133608.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64617435 + ... + 64642197.

It is an arithmetic number, because the mean of its divisors is an integer number (32843007360).

Almost surely, 2^{1600428133608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1600428133608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2101952471040).

1600428133608 is an abundant number, since it is smaller than the sum of its proper divisors (2603476808472).

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

1600428133608 is a wasteful number, since it uses less digits than its factorization.

1600428133608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25599 (or 25595 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 1600428133608 in words is "one trillion, six hundred billion, four hundred twenty-eight million, one hundred thirty-three thousand, six hundred eight".