16655055549 has 32 divisors (see below), whose sum is σ = 25587878400. Its totient is φ = 9529968960.

The previous prime is 16655055541. The next prime is 16655055559. The reversal of 16655055549 is 94555055661.

It is not a de Polignac number, because 16655055549 - 2³ = 16655055541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16655055541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138382 + ... + 229040.

It is an arithmetic number, because the mean of its divisors is an integer number (799621200).

Almost surely, 2^16655055549 is an apocalyptic number.

16655055549 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16655055549 is a deficient number, since it is larger than the sum of its proper divisors (8932822851).

16655055549 is a wasteful number, since it uses less digits than its factorization.

16655055549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90985.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 16655055549 in words is "sixteen billion, six hundred fifty-five million, fifty-five thousand, five hundred forty-nine".