16203557241 has 24 divisors (see below), whose sum is σ = 23478586560. Its totient is φ = 10768533216.

The previous prime is 16203557213. The next prime is 16203557291. The reversal of 16203557241 is 14275530261.

16203557241 is a `hidden beast` number, since 1 + 62 + 0 + 3 + 557 + 2 + 41 = 666.

It is not a de Polignac number, because 16203557241 - 2¹⁰ = 16203556217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16203557196 and 16203557205.

It is not an unprimeable number, because it can be changed into a prime (16203557291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4404895 + ... + 4408571.

It is an arithmetic number, because the mean of its divisors is an integer number (978274440).

Almost surely, 2^16203557241 is an apocalyptic number.

It is an amenable number.

16203557241 is a deficient number, since it is larger than the sum of its proper divisors (7275029319).

16203557241 is a wasteful number, since it uses less digits than its factorization.

16203557241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 16203557241 in words is "sixteen billion, two hundred three million, five hundred fifty-seven thousand, two hundred forty-one".