168342234633 has 20 divisors (see below), whose sum is σ = 251566614288. Its totient is φ = 112186914840.

The previous prime is 168342234503. The next prime is 168342234653. The reversal of 168342234633 is 336432243861.

168342234633 is a `hidden beast` number, since 1 + 6 + 8 + 3 + 4 + 2 + 2 + 3 + 4 + 633 = 666.

168342234633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168342234633 - 2¹⁷ = 168342103561 is a prime.

It is a super-2 number, since 2×168342234633² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168342234653) 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 19 ways as a sum of consecutive naturals, for example, 159291 + ... + 601712.

Almost surely, 2^168342234633 is an apocalyptic number.

It is an amenable number.

168342234633 is a deficient number, since it is larger than the sum of its proper divisors (83224379655).

168342234633 is an equidigital number, since it uses as much as digits as its factorization.

168342234633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763746 (or 763737 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

The spelling of 168342234633 in words is "one hundred sixty-eight billion, three hundred forty-two million, two hundred thirty-four thousand, six hundred thirty-three".