16849907712 has 520 divisors, whose sum is σ = 58039460160. Its totient is φ = 4837294080.

The previous prime is 16849907647. The next prime is 16849907713. The reversal of 16849907712 is 21770994861.

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

It is not an unprimeable number, because it can be changed into a prime (16849907713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 886837239 + ... + 886837257.

Almost surely, 2^16849907712 is an apocalyptic number.

16849907712 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 16849907712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29019730080).

16849907712 is an abundant number, since it is smaller than the sum of its proper divisors (41189552448).

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

16849907712 is an frugal number, since it uses more digits than its factorization.

16849907712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 16849907712 in words is "sixteen billion, eight hundred forty-nine million, nine hundred seven thousand, seven hundred twelve".