1016845385728 has 60 divisors (see below), whose sum is σ = 2052638122752. Its totient is φ = 503670210560.

The previous prime is 1016845385723. The next prime is 1016845385807. The reversal of 1016845385728 is 8275835486101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016845385723) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1463073 + ... + 2043103.

Almost surely, 2^{1016845385728} 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 1016845385728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026319061376).

1016845385728 is an abundant number, since it is smaller than the sum of its proper divisors (1035792737024).

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

1016845385728 is an frugal number, since it uses more digits than its factorization.

1016845385728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580166 (or 580140 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 1016845385728 in words is "one trillion, sixteen billion, eight hundred forty-five million, three hundred eighty-five thousand, seven hundred twenty-eight".