164081252 has 6 divisors (see below), whose sum is σ = 287142198. Its totient is φ = 82040624.

The previous prime is 164081251. The next prime is 164081293. The reversal of 164081252 is 252180461.

164081252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 163993636 + 87616 = 12806^2 + 296^2 .

It is not an unprimeable number, because it can be changed into a prime (164081251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20510153 + ... + 20510160.

It is an arithmetic number, because the mean of its divisors is an integer number (47857033).

Almost surely, 2^164081252 is an apocalyptic number.

It is an amenable number.

164081252 is a deficient number, since it is larger than the sum of its proper divisors (123060946).

164081252 is a wasteful number, since it uses less digits than its factorization.

164081252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41020317 (or 41020315 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 164081252 is about 12809.4204396608. The cubic root of 164081252 is about 547.4607487690.

The spelling of 164081252 in words is "one hundred sixty-four million, eighty-one thousand, two hundred fifty-two".