16673943468 has 384 divisors, whose sum is σ = 54718433280. Its totient is φ = 3822059520.

The previous prime is 16673943457. The next prime is 16673943469. The reversal of 16673943468 is 86434937661.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (16673943469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14460780 + ... + 14461932.

It is an arithmetic number, because the mean of its divisors is an integer number (142495920).

Almost surely, 2^16673943468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16673943468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27359216640).

16673943468 is an abundant number, since it is smaller than the sum of its proper divisors (38044489812).

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

16673943468 is a wasteful number, since it uses less digits than its factorization.

16673943468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 57.

The spelling of 16673943468 in words is "sixteen billion, six hundred seventy-three million, nine hundred forty-three thousand, four hundred sixty-eight".