69128171429664 has 24 divisors (see below), whose sum is σ = 181461450003120. Its totient is φ = 23042723809856.

The previous prime is 69128171429623. The next prime is 69128171429693. The reversal of 69128171429664 is 46692417182196.

69128171429664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×69128171429664² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69128171429595 and 69128171429604.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 360042559434 + ... + 360042559625.

It is an arithmetic number, because the mean of its divisors is an integer number (7560893750130).

Almost surely, 2^{69128171429664} is an apocalyptic number.

It is an amenable number.

69128171429664 is an abundant number, since it is smaller than the sum of its proper divisors (112333278573456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69128171429664 is a wasteful number, since it uses less digits than its factorization.

69128171429664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720085119072 (or 720085119064 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 66.

The spelling of 69128171429664 in words is "sixty-nine trillion, one hundred twenty-eight billion, one hundred seventy-one million, four hundred twenty-nine thousand, six hundred sixty-four".