169984019028 has 24 divisors (see below), whose sum is σ = 396732586432. Its totient is φ = 56646595584.

The previous prime is 169984018991. The next prime is 169984019039. The reversal of 169984019028 is 820910489961.

169984019028 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×169984019028² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794925 + ... + 1887252.

Almost surely, 2^169984019028 is an apocalyptic number.

It is an amenable number.

169984019028 is an abundant number, since it is smaller than the sum of its proper divisors (226748567404).

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

169984019028 is a wasteful number, since it uses less digits than its factorization.

169984019028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686031 (or 3686029 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 57.

The spelling of 169984019028 in words is "one hundred sixty-nine billion, nine hundred eighty-four million, nineteen thousand, twenty-eight".