168133733 has 2 divisors, whose sum is σ = 168133734. Its totient is φ = 168133732.

The previous prime is 168133729. The next prime is 168133759. The reversal of 168133733 is 337331861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102556129 + 65577604 = 10127^2 + 8098^2 .

It is a cyclic number.

It is not a de Polignac number, because 168133733 - 2² = 168133729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168133693 and 168133702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168133783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84066866 + 84066867.

It is an arithmetic number, because the mean of its divisors is an integer number (84066867).

Almost surely, 2^168133733 is an apocalyptic number.

It is an amenable number.

168133733 is a deficient number, since it is larger than the sum of its proper divisors (1).

168133733 is an equidigital number, since it uses as much as digits as its factorization.

168133733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 168133733 is about 12966.6392330472. The cubic root of 168133733 is about 551.9312088275.

The spelling of 168133733 in words is "one hundred sixty-eight million, one hundred thirty-three thousand, seven hundred thirty-three".