16886243477376 has 1920 divisors, whose sum is σ = 68077677175200. Its totient is φ = 4103960297472.

The previous prime is 16886243477333. The next prime is 16886243477377. The reversal of 16886243477376 is 67377434268861.

16886243477376 is a `hidden beast` number, since 1 + 6 + 8 + 8 + 6 + 243 + 4 + 7 + 7 + 376 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16886243477377) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 4642902630 + ... + 4642906266.

Almost surely, 2^{16886243477376} is an apocalyptic number.

16886243477376 is a gapful number since it is divisible by the number (16) 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 16886243477376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34038838587600).

16886243477376 is an abundant number, since it is smaller than the sum of its proper divisors (51191433697824).

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

16886243477376 is a wasteful number, since it uses less digits than its factorization.

16886243477376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3718 counting only the distinct ones).

The product of its digits is 1365590016, while the sum is 72.

The spelling of 16886243477376 in words is "sixteen trillion, eight hundred eighty-six billion, two hundred forty-three million, four hundred seventy-seven thousand, three hundred seventy-six".