164669616 has 120 divisors (see below), whose sum is σ = 492517584. Its totient is φ = 51179520.

The previous prime is 164669611. The next prime is 164669657. The reversal of 164669616 is 616966461.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (164669611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335131 + ... + 335621.

Almost surely, 2^164669616 is an apocalyptic number.

164669616 is a gapful number since it is divisible by the number (16) 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 164669616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246258792).

164669616 is an abundant number, since it is smaller than the sum of its proper divisors (327847968).

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

164669616 is a wasteful number, since it uses less digits than its factorization.

164669616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 650 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 164669616 is about 12832.3659548814. The cubic root of 164669616 is about 548.1143313761.

The spelling of 164669616 in words is "one hundred sixty-four million, six hundred sixty-nine thousand, six hundred sixteen".