16374849974784 has 1120 divisors, whose sum is σ = 58125337776000. Its totient is φ = 4508788064256.

The previous prime is 16374849974759. The next prime is 16374849974839. The reversal of 16374849974784 is 48747994847361.

16374849974784 is a `hidden beast` number, since 1 + 6 + 3 + 7 + 4 + 8 + 499 + 7 + 47 + 84 = 666.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (81).

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

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 10923848467 + ... + 10923849965.

Almost surely, 2^{16374849974784} is an apocalyptic number.

16374849974784 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 16374849974784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29062668888000).

16374849974784 is an abundant number, since it is smaller than the sum of its proper divisors (41750487801216).

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

16374849974784 is an equidigital number, since it uses as much as digits as its factorization.

16374849974784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1661 counting only the distinct ones).

The product of its digits is 8193540096, while the sum is 81.

The spelling of 16374849974784 in words is "sixteen trillion, three hundred seventy-four billion, eight hundred forty-nine million, nine hundred seventy-four thousand, seven hundred eighty-four".