16809746240236 has 24 divisors (see below), whose sum is σ = 29439195730560. Its totient is φ = 8398549671552.

The previous prime is 16809746240219. The next prime is 16809746240281. The reversal of 16809746240236 is 63204264790861.

It is a super-2 number, since 2×16809746240236² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30451461 + ... + 30998563.

It is an arithmetic number, because the mean of its divisors is an integer number (1226633155440).

Almost surely, 2^{16809746240236} is an apocalyptic number.

It is an amenable number.

16809746240236 is a deficient number, since it is larger than the sum of its proper divisors (12629449490324).

16809746240236 is a wasteful number, since it uses less digits than its factorization.

16809746240236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552873 (or 552871 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 16809746240236 in words is "sixteen trillion, eight hundred nine billion, seven hundred forty-six million, two hundred forty thousand, two hundred thirty-six".