16361820241 has 8 divisors (see below), whose sum is σ = 17664811304. Its totient is φ = 15065170560.

The previous prime is 16361820239. The next prime is 16361820269. The reversal of 16361820241 is 14202816361.

It can be written as a sum of positive squares in 4 ways, for example, as 2562384400 + 13799435841 = 50620^2 + 117471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16361820241 - 2¹ = 16361820239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16361820197 and 16361820206.

It is not an unprimeable number, because it can be changed into a prime (16368820241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579980 + ... + 1590301.

It is an arithmetic number, because the mean of its divisors is an integer number (2208101413).

Almost surely, 2^16361820241 is an apocalyptic number.

It is an amenable number.

16361820241 is a deficient number, since it is larger than the sum of its proper divisors (1302991063).

16361820241 is a wasteful number, since it uses less digits than its factorization.

16361820241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170691.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 16361820241 in words is "sixteen billion, three hundred sixty-one million, eight hundred twenty thousand, two hundred forty-one".