436016161 has 27 divisors (see below), whose sum is σ = 538733619. Its totient is φ = 351803088.

The previous prime is 436016159. The next prime is 436016197. The reversal of 436016161 is 161610634.

The square root of 436016161 is 20881.

It is a perfect power (a square), and thus also a powerful number.

436016161 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in only one way, i.e., 127803025 + 308213136 = 11305^2 + 17556^2 .

It is not a de Polignac number, because 436016161 - 2¹ = 436016159 is a prime.

It is a super-2 number, since 2×436016161² = 380220185306355842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (436016111) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2777095 + ... + 2777251.

It is an arithmetic number, because the mean of its divisors is an integer number (19953097).

Almost surely, 2^436016161 is an apocalyptic number.

436016161 is the 20881-st square number.

436016161 is the 10441-st centered octagonal number.

It is an amenable number.

436016161 is a deficient number, since it is larger than the sum of its proper divisors (102717458).

436016161 is an equidigital number, since it uses as much as digits as its factorization.

436016161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The cubic root of 436016161 is about 758.2880214872.

Adding to 436016161 its reverse (161610634), we get a palindrome (597626795).

The spelling of 436016161 in words is "four hundred thirty-six million, sixteen thousand, one hundred sixty-one".