16820326710 has 192 divisors, whose sum is σ = 48899096064. Its totient is φ = 3977164800.

The previous prime is 16820326681. The next prime is 16820326717. The reversal of 16820326710 is 1762302861.

It is a super-2 number, since 2×16820326710² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16820326717) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6816897 + ... + 6819363.

It is an arithmetic number, because the mean of its divisors is an integer number (254682792).

Almost surely, 2^16820326710 is an apocalyptic number.

16820326710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16820326710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24449548032).

16820326710 is an abundant number, since it is smaller than the sum of its proper divisors (32078769354).

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

16820326710 is a wasteful number, since it uses less digits than its factorization.

16820326710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 16820326710 in words is "sixteen billion, eight hundred twenty million, three hundred twenty-six thousand, seven hundred ten".