168388933029 has 16 divisors (see below), whose sum is σ = 225689931264. Its totient is φ = 111674347200.

The previous prime is 168388933021. The next prime is 168388933051. The reversal of 168388933029 is 920339883861.

168388933029 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 168388933029 - 2³ = 168388933021 is a prime.

It is a super-2 number, since 2×168388933029² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168388933021) 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 15 ways as a sum of consecutive naturals, for example, 832759 + ... + 1015019.

It is an arithmetic number, because the mean of its divisors is an integer number (14105620704).

Almost surely, 2^168388933029 is an apocalyptic number.

It is an amenable number.

168388933029 is a deficient number, since it is larger than the sum of its proper divisors (57300998235).

168388933029 is a wasteful number, since it uses less digits than its factorization.

168388933029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183868.

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 168388933029 in words is "one hundred sixty-eight billion, three hundred eighty-eight million, nine hundred thirty-three thousand, twenty-nine".