164606652 has 144 divisors (see below), whose sum is σ = 517171200. Its totient is φ = 43079040.

The previous prime is 164606647. The next prime is 164606681. The reversal of 164606652 is 256606461.

It is a happy number.

164606652 is a `hidden beast` number, since 1 + 646 + 0 + 6 + 6 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147874 + ... + 148982.

Almost surely, 2^164606652 is an apocalyptic number.

164606652 is a gapful number since it is divisible by the number (12) 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 164606652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258585600).

164606652 is an abundant number, since it is smaller than the sum of its proper divisors (352564548).

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

164606652 is a wasteful number, since it uses less digits than its factorization.

164606652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 164606652 is about 12829.9123925302. The cubic root of 164606652 is about 548.0444624446.

The spelling of 164606652 in words is "one hundred sixty-four million, six hundred six thousand, six hundred fifty-two".