169249485 has 8 divisors (see below), whose sum is σ = 270799200. Its totient is φ = 90266384.

The previous prime is 169249477. The next prime is 169249489. The reversal of 169249485 is 584942961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 169249485 - 2³ = 169249477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169249489) 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 7 ways as a sum of consecutive naturals, for example, 5641635 + ... + 5641664.

It is an arithmetic number, because the mean of its divisors is an integer number (33849900).

Almost surely, 2^169249485 is an apocalyptic number.

169249485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

169249485 is a deficient number, since it is larger than the sum of its proper divisors (101549715).

169249485 is a wasteful number, since it uses less digits than its factorization.

169249485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283307.

The product of its digits is 622080, while the sum is 48.

The square root of 169249485 is about 13009.5920381847. The cubic root of 169249485 is about 553.1494080327.

The spelling of 169249485 in words is "one hundred sixty-nine million, two hundred forty-nine thousand, four hundred eighty-five".