201601560003 has 16 divisors (see below), whose sum is σ = 271436178816. Its totient is φ = 133085120000.

The previous prime is 201601559989. The next prime is 201601560011. The reversal of 201601560003 is 300065106102.

It is a cyclic number.

It is not a de Polignac number, because 201601560003 - 2³⁴ = 184421690819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201601560053) 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, 580003 + ... + 860003.

It is an arithmetic number, because the mean of its divisors is an integer number (16964761176).

Almost surely, 2^201601560003 is an apocalyptic number.

201601560003 is a deficient number, since it is larger than the sum of its proper divisors (69834618813).

201601560003 is a wasteful number, since it uses less digits than its factorization.

201601560003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282354.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 201601560003 its reverse (300065106102), we get a palindrome (501666666105).

The spelling of 201601560003 in words is "two hundred one billion, six hundred one million, five hundred sixty thousand, three".