16758669312 has 680 divisors, whose sum is σ = 63945870912. Its totient is φ = 4246732800.

The previous prime is 16758669311. The next prime is 16758669439. The reversal of 16758669312 is 21396685761.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (3265920) is a multiple of the sum of its prime divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16758669311) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 408748012 + ... + 408748052.

Almost surely, 2^16758669312 is an apocalyptic number.

16758669312 is a gapful number since it is divisible by the number (12) 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 16758669312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31972935456).

16758669312 is an abundant number, since it is smaller than the sum of its proper divisors (47187201600).

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

16758669312 is an frugal number, since it uses more digits than its factorization.

16758669312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 64 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 16758669312 in words is "sixteen billion, seven hundred fifty-eight million, six hundred sixty-nine thousand, three hundred twelve".