16864848761205 has 32 divisors (see below), whose sum is σ = 27387503935488. Its totient is φ = 8860013870400.

The previous prime is 16864848761143. The next prime is 16864848761207. The reversal of 16864848761205 is 50216784846861.

It is not a de Polignac number, because 16864848761205 - 2⁹ = 16864848760693 is a prime.

It is a super-2 number, since 2×16864848761205² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16864848761207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28481100 + ... + 29067210.

It is an arithmetic number, because the mean of its divisors is an integer number (855859497984).

Almost surely, 2^{16864848761205} is an apocalyptic number.

16864848761205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16864848761205 is a deficient number, since it is larger than the sum of its proper divisors (10522655174283).

16864848761205 is a wasteful number, since it uses less digits than its factorization.

16864848761205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614817.

The product of its (nonzero) digits is 123863040, while the sum is 66.

The spelling of 16864848761205 in words is "sixteen trillion, eight hundred sixty-four billion, eight hundred forty-eight million, seven hundred sixty-one thousand, two hundred five".