16654066884 has 720 divisors, whose sum is σ = 59696017920. Its totient is φ = 3997486080.

The previous prime is 16654066879. The next prime is 16654066927. The reversal of 16654066884 is 48866045661.

16654066884 is a `hidden beast` number, since 16 + 6 + 540 + 6 + 6 + 8 + 84 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16654066884.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 121562464 + ... + 121562600.

It is an arithmetic number, because the mean of its divisors is an integer number (82911136).

Almost surely, 2^16654066884 is an apocalyptic number.

16654066884 is a gapful number since it is divisible by the number (14) 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 16654066884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29848008960).

16654066884 is an abundant number, since it is smaller than the sum of its proper divisors (43041951036).

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

16654066884 is a wasteful number, since it uses less digits than its factorization.

16654066884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 16654066884 in words is "sixteen billion, six hundred fifty-four million, sixty-six thousand, eight hundred eighty-four".