168256334733 has 32 divisors (see below), whose sum is σ = 234590549760. Its totient is φ = 107131422720.

The previous prime is 168256334689. The next prime is 168256334789. The reversal of 168256334733 is 337433652861.

It is a de Polignac number, because none of the positive numbers 2^k-168256334733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168256344733) 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 31 ways as a sum of consecutive naturals, for example, 22114816 + ... + 22122422.

It is an arithmetic number, because the mean of its divisors is an integer number (7330954680).

Almost surely, 2^168256334733 is an apocalyptic number.

It is an amenable number.

168256334733 is a deficient number, since it is larger than the sum of its proper divisors (66334215027).

168256334733 is a wasteful number, since it uses less digits than its factorization.

168256334733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357.

The product of its digits is 6531840, while the sum is 51.

The spelling of 168256334733 in words is "one hundred sixty-eight billion, two hundred fifty-six million, three hundred thirty-four thousand, seven hundred thirty-three".