169420910535993 has 8 divisors (see below), whose sum is σ = 225901536605856. Its totient is φ = 112943779078400.

The previous prime is 169420910535953. The next prime is 169420910536093. The reversal of 169420910535993 is 399535019024961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169420910535993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (169420910535913) 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, 873539943 + ... + 873733868.

It is an arithmetic number, because the mean of its divisors is an integer number (28237692075732).

Almost surely, 2^{169420910535993} is an apocalyptic number.

It is an amenable number.

169420910535993 is a deficient number, since it is larger than the sum of its proper divisors (56480626069863).

169420910535993 is a wasteful number, since it uses less digits than its factorization.

169420910535993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747306135.

The product of its (nonzero) digits is 70858800, while the sum is 66.

The spelling of 169420910535993 in words is "one hundred sixty-nine trillion, four hundred twenty billion, nine hundred ten million, five hundred thirty-five thousand, nine hundred ninety-three".