16554423242241 has 6 divisors (see below), whose sum is σ = 23911944683250. Its totient is φ = 11036282161488.

The previous prime is 16554423242239. The next prime is 16554423242267. The reversal of 16554423242241 is 14224232445561.

16554423242241 is a `hidden beast` number, since 1 + 6 + 5 + 544 + 23 + 2 + 42 + 2 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14605551401841 + 1948871840400 = 3821721^2 + 1396020^2 .

It is not a de Polignac number, because 16554423242241 - 2¹ = 16554423242239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16554423242221) 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, 919690180116 + ... + 919690180133.

It is an arithmetic number, because the mean of its divisors is an integer number (3985324113875).

Almost surely, 2^{16554423242241} is an apocalyptic number.

It is an amenable number.

16554423242241 is a deficient number, since it is larger than the sum of its proper divisors (7357521441009).

16554423242241 is a wasteful number, since it uses less digits than its factorization.

16554423242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839380360255 (or 1839380360252 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 45.

The spelling of 16554423242241 in words is "sixteen trillion, five hundred fifty-four billion, four hundred twenty-three million, two hundred forty-two thousand, two hundred forty-one".