169989102 has 12 divisors (see below), whose sum is σ = 368309760. Its totient is φ = 56663028.

The previous prime is 169989101. The next prime is 169989139. The reversal of 169989102 is 201989961.

169989102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169989101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4721902 + ... + 4721937.

It is an arithmetic number, because the mean of its divisors is an integer number (30692480).

Almost surely, 2^169989102 is an apocalyptic number.

169989102 is an abundant number, since it is smaller than the sum of its proper divisors (198320658).

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

169989102 is a wasteful number, since it uses less digits than its factorization.

169989102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9443847 (or 9443844 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 169989102 is about 13037.9868844849. The cubic root of 169989102 is about 553.9539879331.

The spelling of 169989102 in words is "one hundred sixty-nine million, nine hundred eighty-nine thousand, one hundred two".