16374221608608 has 144 divisors (see below), whose sum is σ = 46635450170400. Its totient is φ = 5449724831232.

The previous prime is 16374221608583. The next prime is 16374221608621. The reversal of 16374221608608 is 80680612247361.

It is a happy number.

16374221608608 is a `hidden beast` number, since 1 + 6 + 3 + 7 + 4 + 2 + 21 + 6 + 0 + 8 + 608 = 666.

16374221608608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1621365543 + ... + 1621375641.

It is an arithmetic number, because the mean of its divisors is an integer number (323857292850).

Almost surely, 2^{16374221608608} is an apocalyptic number.

16374221608608 is a gapful number since it is divisible by the number (18) 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 16374221608608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23317725085200).

16374221608608 is an abundant number, since it is smaller than the sum of its proper divisors (30261228561792).

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

16374221608608 is a wasteful number, since it uses less digits than its factorization.

16374221608608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171 (or 18160 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 16374221608608 in words is "sixteen trillion, three hundred seventy-four billion, two hundred twenty-one million, six hundred eight thousand, six hundred eight".