16461055404557 has 4 divisors (see below), whose sum is σ = 16461155583456. Its totient is φ = 16460955225660.

The previous prime is 16461055404527. The next prime is 16461055404583. The reversal of 16461055404557 is 75540455016461.

16461055404557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16461055404557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16461055404499 and 16461055404508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16461055404527) 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, 49842569 + ... + 50171742.

It is an arithmetic number, because the mean of its divisors is an integer number (4115288895864).

Almost surely, 2^{16461055404557} is an apocalyptic number.

It is an amenable number.

16461055404557 is a deficient number, since it is larger than the sum of its proper divisors (100178899).

16461055404557 is a wasteful number, since it uses less digits than its factorization.

16461055404557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100178898.

The product of its (nonzero) digits is 10080000, while the sum is 53.

The spelling of 16461055404557 in words is "sixteen trillion, four hundred sixty-one billion, fifty-five million, four hundred four thousand, five hundred fifty-seven".