416603500165 has 16 divisors (see below), whose sum is σ = 534788542512. Its totient is φ = 310444130304.

The previous prime is 416603500123. The next prime is 416603500169. The reversal of 416603500165 is 561005306614.

It can be written as a sum of positive squares in 8 ways, for example, as 13634999361 + 402968500804 = 116769^2 + 634798^2 .

It is a cyclic number.

It is not a de Polignac number, because 416603500165 - 2¹¹ = 416603498117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416603500169) 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, 25255764 + ... + 25272253.

It is an arithmetic number, because the mean of its divisors is an integer number (33424283907).

Almost surely, 2^416603500165 is an apocalyptic number.

It is an amenable number.

416603500165 is a deficient number, since it is larger than the sum of its proper divisors (118185042347).

416603500165 is a wasteful number, since it uses less digits than its factorization.

416603500165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50528136.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 416603500165 its reverse (561005306614), we get a palindrome (977608806779).

The spelling of 416603500165 in words is "four hundred sixteen billion, six hundred three million, five hundred thousand, one hundred sixty-five".