69135640838161 has 8 divisors (see below), whose sum is σ = 73041322677120. Its totient is φ = 65331405280848.

The previous prime is 69135640838153. The next prime is 69135640838237. The reversal of 69135640838161 is 16183804653196.

It is a happy number.

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 69135640838161 - 2³ = 69135640838153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69135640838161.

It is not an unprimeable number, because it can be changed into a prime (69135640898161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25361569011 + ... + 25361571736.

It is an arithmetic number, because the mean of its divisors is an integer number (9130165334640).

Almost surely, 2^{69135640838161} is an apocalyptic number.

It is an amenable number.

69135640838161 is a deficient number, since it is larger than the sum of its proper divisors (3905681838959).

69135640838161 is a wasteful number, since it uses less digits than its factorization.

69135640838161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50723140823.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 69135640838161 in words is "sixty-nine trillion, one hundred thirty-five billion, six hundred forty million, eight hundred thirty-eight thousand, one hundred sixty-one".