13466555541 has 6 divisors (see below), whose sum is σ = 19451691350. Its totient is φ = 8977703688.

The previous prime is 13466555503. The next prime is 13466555549. The reversal of 13466555541 is 14555566431.

13466555541 is a `hidden beast` number, since 1 + 3 + 46 + 6 + 55 + 554 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8849353041 + 4617202500 = 94071^2 + 67950^2 .

It is not a de Polignac number, because 13466555541 - 2¹¹ = 13466553493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13466555549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 748141966 + ... + 748141983.

Almost surely, 2^13466555541 is an apocalyptic number.

It is an amenable number.

13466555541 is a deficient number, since it is larger than the sum of its proper divisors (5985135809).

13466555541 is a wasteful number, since it uses less digits than its factorization.

13466555541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496283955 (or 1496283952 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The spelling of 13466555541 in words is "thirteen billion, four hundred sixty-six million, five hundred fifty-five thousand, five hundred forty-one".