168733537121 has 8 divisors (see below), whose sum is σ = 173899719840. Its totient is φ = 163623815712.

The previous prime is 168733537109. The next prime is 168733537127. The reversal of 168733537121 is 121735337861.

168733537121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168733537121 - 2¹⁴ = 168733520737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168733537127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14109260 + ... + 14121213.

It is an arithmetic number, because the mean of its divisors is an integer number (21737464980).

Almost surely, 2^168733537121 is an apocalyptic number.

It is an amenable number.

168733537121 is a deficient number, since it is larger than the sum of its proper divisors (5166182719).

168733537121 is a wasteful number, since it uses less digits than its factorization.

168733537121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28230655.

The product of its digits is 635040, while the sum is 47.

The spelling of 168733537121 in words is "one hundred sixty-eight billion, seven hundred thirty-three million, five hundred thirty-seven thousand, one hundred twenty-one".