16353235361 has 4 divisors (see below), whose sum is σ = 16497954372. Its totient is φ = 16208516352.

The previous prime is 16353235337. The next prime is 16353235369.

16353235361 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4282917136 + 12070318225 = 65444^2 + 109865^2 .

It is a cyclic number.

It is not a de Polignac number, because 16353235361 - 2²² = 16349041057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16353235369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72359336 + ... + 72359561.

It is an arithmetic number, because the mean of its divisors is an integer number (4124488593).

Almost surely, 2^16353235361 is an apocalyptic number.

It is an amenable number.

16353235361 is a deficient number, since it is larger than the sum of its proper divisors (144719011).

16353235361 is a wasteful number, since it uses less digits than its factorization.

16353235361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144719010.

The product of its digits is 145800, while the sum is 38.

The spelling of 16353235361 in words is "sixteen billion, three hundred fifty-three million, two hundred thirty-five thousand, three hundred sixty-one".