16382678409216 has 2688 divisors, whose sum is σ = 64893665894400. Its totient is φ = 3985134059520.

The previous prime is 16382678409179. The next prime is 16382678409239. The reversal of 16382678409216 is 61290487628361.

16382678409216 is a `hidden beast` number, since 1 + 6 + 3 + 8 + 2 + 6 + 7 + 8 + 409 + 216 = 666.

It is a tau number, because it is divible by the number of its divisors (2688).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 348567625705 + ... + 348567625751.

It is an arithmetic number, because the mean of its divisors is an integer number (24141988800).

Almost surely, 2^{16382678409216} is an apocalyptic number.

16382678409216 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 16382678409216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32446832947200).

16382678409216 is an abundant number, since it is smaller than the sum of its proper divisors (48510987485184).

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

16382678409216 is a wasteful number, since it uses less digits than its factorization.

16382678409216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 16382678409216 in words is "sixteen trillion, three hundred eighty-two billion, six hundred seventy-eight million, four hundred nine thousand, two hundred sixteen".