16857340353333 has 12 divisors (see below), whose sum is σ = 24351654052908. Its totient is φ = 11237228856960.

The previous prime is 16857340353263. The next prime is 16857340353379. The reversal of 16857340353333 is 33335304375861.

16857340353333 is a `hidden beast` number, since 1 + 6 + 8 + 5 + 73 + 4 + 0 + 3 + 533 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16799038387569 + 58301965764 = 4098663^2 + 241458^2 .

It is not a de Polignac number, because 16857340353333 - 2¹⁶ = 16857340287797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16857340353333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16857340353383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83063460 + ... + 83266157.

It is an arithmetic number, because the mean of its divisors is an integer number (2029304504409).

Almost surely, 2^{16857340353333} is an apocalyptic number.

It is an amenable number.

16857340353333 is a deficient number, since it is larger than the sum of its proper divisors (7494313699575).

16857340353333 is a wasteful number, since it uses less digits than its factorization.

16857340353333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166340884 (or 166340881 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 54.

The spelling of 16857340353333 in words is "sixteen trillion, eight hundred fifty-seven billion, three hundred forty million, three hundred fifty-three thousand, three hundred thirty-three".