169022223236 has 6 divisors (see below), whose sum is σ = 295788890670. Its totient is φ = 84511111616.

The previous prime is 169022223221. The next prime is 169022223281. The reversal of 169022223236 is 632322220961.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 138346802500 + 30675420736 = 371950^2 + 175144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 169022223236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21127777901 + ... + 21127777908.

It is an arithmetic number, because the mean of its divisors is an integer number (49298148445).

Almost surely, 2^169022223236 is an apocalyptic number.

It is an amenable number.

169022223236 is a deficient number, since it is larger than the sum of its proper divisors (126766667434).

169022223236 is a wasteful number, since it uses less digits than its factorization.

169022223236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42255555813 (or 42255555811 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 169022223236 in words is "one hundred sixty-nine billion, twenty-two million, two hundred twenty-three thousand, two hundred thirty-six".