1605320160101 has 16 divisors (see below), whose sum is σ = 1942667233920. Its totient is φ = 1294984903680.

The previous prime is 1605320160047. The next prime is 1605320160109. The reversal of 1605320160101 is 1010610235061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1605320160101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605320160109) 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, 2196461 + ... + 2834621.

It is an arithmetic number, because the mean of its divisors is an integer number (121416702120).

Almost surely, 2^{1605320160101} is an apocalyptic number.

It is an amenable number.

1605320160101 is a deficient number, since it is larger than the sum of its proper divisors (337347073819).

1605320160101 is a wasteful number, since it uses less digits than its factorization.

1605320160101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659324.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 1605320160101 its reverse (1010610235061), we get a palindrome (2615930395162).

The spelling of 1605320160101 in words is "one trillion, six hundred five billion, three hundred twenty million, one hundred sixty thousand, one hundred one".