164251532 has 12 divisors (see below), whose sum is σ = 287558880. Its totient is φ = 82091856.

The previous prime is 164251531. The next prime is 164251541. The reversal of 164251532 is 235152461.

It is a junction number, because it is equal to n+sod(n) for n = 164251495 and 164251504.

It is not an unprimeable number, because it can be changed into a prime (164251531) 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 3 ways as a sum of consecutive naturals, for example, 4694 + ... + 18722.

It is an arithmetic number, because the mean of its divisors is an integer number (23963240).

Almost surely, 2^164251532 is an apocalyptic number.

It is an amenable number.

164251532 is a deficient number, since it is larger than the sum of its proper divisors (123307348).

164251532 is a wasteful number, since it uses less digits than its factorization.

164251532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16960 (or 16958 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 164251532 is about 12816.0653868494. The cubic root of 164251532 is about 547.6500642980.

The spelling of 164251532 in words is "one hundred sixty-four million, two hundred fifty-one thousand, five hundred thirty-two".