164256032 has 12 divisors (see below), whose sum is σ = 323379126. Its totient is φ = 82128000.

The previous prime is 164256031. The next prime is 164256049. The reversal of 164256032 is 230652461.

It can be written as a sum of positive squares in only one way, i.e., 162919696 + 1336336 = 12764^2 + 1156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164255986 and 164256004.

It is not an unprimeable number, because it can be changed into a prime (164256031) 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 as a sum of consecutive naturals, namely, 2566469 + ... + 2566532.

Almost surely, 2^164256032 is an apocalyptic number.

It is an amenable number.

164256032 is a deficient number, since it is larger than the sum of its proper divisors (159123094).

164256032 is an equidigital number, since it uses as much as digits as its factorization.

164256032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133011 (or 5133003 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 164256032 is about 12816.2409465490. The cubic root of 164256032 is about 547.6550655761.

The spelling of 164256032 in words is "one hundred sixty-four million, two hundred fifty-six thousand, thirty-two".