16683351846 has 128 divisors (see below), whose sum is σ = 41109949440. Its totient is φ = 4405542912.

The previous prime is 16683351823. The next prime is 16683351847. The reversal of 16683351846 is 64815338661.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16683351847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9625996 + ... + 9627728.

It is an arithmetic number, because the mean of its divisors is an integer number (321171480).

Almost surely, 2^16683351846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16683351846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20554974720).

16683351846 is an abundant number, since it is smaller than the sum of its proper divisors (24426597594).

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

16683351846 is a wasteful number, since it uses less digits than its factorization.

16683351846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998.

The product of its digits is 2488320, while the sum is 51.

The spelling of 16683351846 in words is "sixteen billion, six hundred eighty-three million, three hundred fifty-one thousand, eight hundred forty-six".