16655677272 has 128 divisors (see below), whose sum is σ = 51432192000. Its totient is φ = 4959480960.

The previous prime is 16655677237. The next prime is 16655677273. The reversal of 16655677272 is 27277655661.

16655677272 is a `hidden beast` number, since 1 + 6 + 6 + 5 + 567 + 7 + 2 + 72 = 666.

16655677272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16655677273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8622 + ... + 182717.

It is an arithmetic number, because the mean of its divisors is an integer number (401814000).

Almost surely, 2^16655677272 is an apocalyptic number.

16655677272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16655677272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25716096000).

16655677272 is an abundant number, since it is smaller than the sum of its proper divisors (34776514728).

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

16655677272 is a wasteful number, since it uses less digits than its factorization.

16655677272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191398 (or 191388 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 54.

The spelling of 16655677272 in words is "sixteen billion, six hundred fifty-five million, six hundred seventy-seven thousand, two hundred seventy-two".