169422836 has 24 divisors (see below), whose sum is σ = 325394496. Its totient is φ = 76545920.

The previous prime is 169422817. The next prime is 169422839. The reversal of 169422836 is 638224961.

It is a junction number, because it is equal to n+sod(n) for n = 169422793 and 169422802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169422839) 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, 4181 + ... + 18876.

It is an arithmetic number, because the mean of its divisors is an integer number (13558104).

Almost surely, 2^169422836 is an apocalyptic number.

It is an amenable number.

169422836 is a deficient number, since it is larger than the sum of its proper divisors (155971660).

169422836 is a wasteful number, since it uses less digits than its factorization.

169422836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23239 (or 23237 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 169422836 is about 13016.2527633724. The cubic root of 169422836 is about 553.3381949864.

The spelling of 169422836 in words is "one hundred sixty-nine million, four hundred twenty-two thousand, eight hundred thirty-six".