169109116 has 18 divisors (see below), whose sum is σ = 325291400. Its totient is φ = 76867560.

The previous prime is 169109111. The next prime is 169109117. The reversal of 169109116 is 611901961.

It is a super-2 number, since 2×169109116² = 57195786228602912, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169109111) 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 5 ways as a sum of consecutive naturals, for example, 174216 + ... + 175183.

Almost surely, 2^169109116 is an apocalyptic number.

It is an amenable number.

169109116 is a deficient number, since it is larger than the sum of its proper divisors (156182284).

169109116 is a wasteful number, since it uses less digits than its factorization.

169109116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349425 (or 349412 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 169109116 is about 13004.1960920312. The cubic root of 169109116 is about 552.9964454709.

The spelling of 169109116 in words is "one hundred sixty-nine million, one hundred nine thousand, one hundred sixteen".