169420852664281 has 8 divisors (see below), whose sum is σ = 173671051696128. Its totient is φ = 165176271876000.

The previous prime is 169420852664269. The next prime is 169420852664291. The reversal of 169420852664281 is 182466258024961.

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 169420852664281 - 2⁵ = 169420852664249 is a prime.

It is a super-2 number, since 2×169420852664281² (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 (169420852664291) 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, 1404499825 + ... + 1404620446.

It is an arithmetic number, because the mean of its divisors is an integer number (21708881462016).

Almost surely, 2^{169420852664281} is an apocalyptic number.

It is an amenable number.

169420852664281 is a deficient number, since it is larger than the sum of its proper divisors (4250199031847).

169420852664281 is a wasteful number, since it uses less digits than its factorization.

169420852664281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809121783.

The product of its (nonzero) digits is 79626240, while the sum is 64.

The spelling of 169420852664281 in words is "one hundred sixty-nine trillion, four hundred twenty billion, eight hundred fifty-two million, six hundred sixty-four thousand, two hundred eighty-one".