169004408950081 has 8 divisors (see below), whose sum is σ = 178951062011904. Its totient is φ = 159058335581760.

The previous prime is 169004408950049. The next prime is 169004408950099. The reversal of 169004408950081 is 180059804400961.

169004408950081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 169004408950081 - 2⁵ = 169004408950049 is a prime.

It is a super-2 number, since 2×169004408950081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169004408950781) 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, 144323065 + ... + 145489366.

It is an arithmetic number, because the mean of its divisors is an integer number (22368882751488).

Almost surely, 2^{169004408950081} is an apocalyptic number.

It is an amenable number.

169004408950081 is a deficient number, since it is larger than the sum of its proper divisors (9946653061823).

169004408950081 is a wasteful number, since it uses less digits than its factorization.

169004408950081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289846751.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 169004408950081 in words is "one hundred sixty-nine trillion, four billion, four hundred eight million, nine hundred fifty thousand, eighty-one".