164869224 has 64 divisors (see below), whose sum is σ = 454238400. Its totient is φ = 49545216.

The previous prime is 164869223. The next prime is 164869231. The reversal of 164869224 is 422968461.

164869224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164869224² = 54363722044724352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (164869223) 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, 7272 + ... + 19560.

It is an arithmetic number, because the mean of its divisors is an integer number (7097475).

Almost surely, 2^164869224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164869224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227119200).

164869224 is an abundant number, since it is smaller than the sum of its proper divisors (289369176).

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

164869224 is a wasteful number, since it uses less digits than its factorization.

164869224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12354 (or 12350 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 164869224 is about 12840.1411207198. The cubic root of 164869224 is about 548.3357116783.

The spelling of 164869224 in words is "one hundred sixty-four million, eight hundred sixty-nine thousand, two hundred twenty-four".