16807813983331 has 16 divisors (see below), whose sum is σ = 19224646983360. Its totient is φ = 14394914611200.

The previous prime is 16807813983329. The next prime is 16807813983427. The reversal of 16807813983331 is 13338931870861.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16807813983331 - 2¹ = 16807813983329 is a prime.

It is a super-2 number, since 2×16807813983331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16807813983331.

It is not an unprimeable number, because it can be changed into a prime (16807813983031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45819615 + ... + 46184983.

It is an arithmetic number, because the mean of its divisors is an integer number (1201540436460).

Almost surely, 2^{16807813983331} is an apocalyptic number.

16807813983331 is a deficient number, since it is larger than the sum of its proper divisors (2416833000029).

16807813983331 is a wasteful number, since it uses less digits than its factorization.

16807813983331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370734.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 16807813983331 in words is "sixteen trillion, eight hundred seven billion, eight hundred thirteen million, nine hundred eighty-three thousand, three hundred thirty-one".