169424864 has 48 divisors (see below), whose sum is σ = 382749696. Its totient is φ = 72316800.

The previous prime is 169424861. The next prime is 169424867. The reversal of 169424864 is 468424961.

It is an interprime number because it is at equal distance from previous prime (169424861) and next prime (169424867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169424861) 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, 59309 + ... + 62099.

It is an arithmetic number, because the mean of its divisors is an integer number (7973952).

Almost surely, 2^169424864 is an apocalyptic number.

169424864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169424864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191374848).

169424864 is an abundant number, since it is smaller than the sum of its proper divisors (213324832).

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

169424864 is a wasteful number, since it uses less digits than its factorization.

169424864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079 (or 3071 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 169424864 is about 13016.3306657445. The cubic root of 169424864 is about 553.3404028064.

The spelling of 169424864 in words is "one hundred sixty-nine million, four hundred twenty-four thousand, eight hundred sixty-four".