1016573728787 has 8 divisors (see below), whose sum is σ = 1024504588800. Its totient is φ = 1008673669000.

The previous prime is 1016573728783. The next prime is 1016573728813. The reversal of 1016573728787 is 7878273756101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1016573728787 - 2² = 1016573728783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016573728783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7633787 + ... + 7765812.

It is an arithmetic number, because the mean of its divisors is an integer number (128063073600).

Almost surely, 2^{1016573728787} is an apocalyptic number.

1016573728787 is a deficient number, since it is larger than the sum of its proper divisors (7930860013).

1016573728787 is a wasteful number, since it uses less digits than its factorization.

1016573728787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15400113.

The product of its (nonzero) digits is 27659520, while the sum is 62.

The spelling of 1016573728787 in words is "one trillion, sixteen billion, five hundred seventy-three million, seven hundred twenty-eight thousand, seven hundred eighty-seven".