169980822 has 32 divisors (see below), whose sum is σ = 412076160. Its totient is φ = 51509160.

The previous prime is 169980817. The next prime is 169980823. The reversal of 169980822 is 228089961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169980823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142488 + ... + 143675.

It is an arithmetic number, because the mean of its divisors is an integer number (12877380).

Almost surely, 2^169980822 is an apocalyptic number.

169980822 is an abundant number, since it is smaller than the sum of its proper divisors (242095338).

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

169980822 is a wasteful number, since it uses less digits than its factorization.

169980822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286185 (or 286179 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 169980822 is about 13037.6693469347. The cubic root of 169980822 is about 553.9449936046.

The spelling of 169980822 in words is "one hundred sixty-nine million, nine hundred eighty thousand, eight hundred twenty-two".