16655056512 has 32 divisors (see below), whose sum is σ = 44239994880. Its totient is φ = 5551685376.

The previous prime is 16655056501. The next prime is 16655056541. The reversal of 16655056512 is 21565055661.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×16655056512³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21685888 + ... + 21686655.

It is an arithmetic number, because the mean of its divisors is an integer number (1382499840).

Almost surely, 2^16655056512 is an apocalyptic number.

16655056512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16655056512 is an abundant number, since it is smaller than the sum of its proper divisors (27584938368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16655056512 is an equidigital number, since it uses as much as digits as its factorization.

16655056512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43372560 (or 43372548 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 16655056512 in words is "sixteen billion, six hundred fifty-five million, fifty-six thousand, five hundred twelve".