168333949855 has 16 divisors (see below), whose sum is σ = 213151746240. Its totient is φ = 127364731648.

The previous prime is 168333949843. The next prime is 168333949873. The reversal of 168333949855 is 558949333861.

It is a cyclic number.

It is not a de Polignac number, because 168333949855 - 2¹¹ = 168333947807 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8213212 + ... + 8233681.

It is an arithmetic number, because the mean of its divisors is an integer number (13321984140).

Almost surely, 2^168333949855 is an apocalyptic number.

168333949855 is a deficient number, since it is larger than the sum of its proper divisors (44817796385).

168333949855 is a wasteful number, since it uses less digits than its factorization.

168333949855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16447010.

The product of its digits is 83980800, while the sum is 64.

The spelling of 168333949855 in words is "one hundred sixty-eight billion, three hundred thirty-three million, nine hundred forty-nine thousand, eight hundred fifty-five".