169025265168 has 80 divisors (see below), whose sum is σ = 440738058816. Its totient is φ = 55816519680.

The previous prime is 169025265161. The next prime is 169025265193. The reversal of 169025265168 is 861562520961.

It is a happy number.

It is a super-2 number, since 2×169025265168² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 169025265168.

It is not an unprimeable number, because it can be changed into a prime (169025265161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2194771 + ... + 2270477.

Almost surely, 2^169025265168 is an apocalyptic number.

It is an amenable number.

169025265168 is an abundant number, since it is smaller than the sum of its proper divisors (271712793648).

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

169025265168 is a wasteful number, since it uses less digits than its factorization.

169025265168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76152 (or 76146 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 169025265168 in words is "one hundred sixty-nine billion, twenty-five million, two hundred sixty-five thousand, one hundred sixty-eight".