169452849 has 16 divisors (see below), whose sum is σ = 241383680. Its totient is φ = 105423120.

The previous prime is 169452841. The next prime is 169452853. The reversal of 169452849 is 948254961.

It is not a de Polignac number, because 169452849 - 2³ = 169452841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 169452798 and 169452807.

It is not an unprimeable number, because it can be changed into a prime (169452841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18367 + ... + 26004.

It is an arithmetic number, because the mean of its divisors is an integer number (15086480).

Almost surely, 2^169452849 is an apocalyptic number.

169452849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

169452849 is a deficient number, since it is larger than the sum of its proper divisors (71930831).

169452849 is a wasteful number, since it uses less digits than its factorization.

169452849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44460.

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

The square root of 169452849 is about 13017.4056170959. The cubic root of 169452849 is about 553.3708673996.

The spelling of 169452849 in words is "one hundred sixty-nine million, four hundred fifty-two thousand, eight hundred forty-nine".