16809932910 has 16 divisors (see below), whose sum is σ = 40343839056. Its totient is φ = 4482648768.

The previous prime is 16809932899. The next prime is 16809932917. The reversal of 16809932910 is 1923990861.

It is a self number, because there is not a number n which added to its sum of digits gives 16809932910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16809932917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280165519 + ... + 280165578.

It is an arithmetic number, because the mean of its divisors is an integer number (2521489941).

Almost surely, 2^16809932910 is an apocalyptic number.

16809932910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16809932910 is an abundant number, since it is smaller than the sum of its proper divisors (23533906146).

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

16809932910 is a wasteful number, since it uses less digits than its factorization.

16809932910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560331107.

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 16809932910 in words is "sixteen billion, eight hundred nine million, nine hundred thirty-two thousand, nine hundred ten".