164528513 has 8 divisors (see below), whose sum is σ = 172601280. Its totient is φ = 156615760.

The previous prime is 164528509. The next prime is 164528519. The reversal of 164528513 is 315825461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164528513 - 2² = 164528509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164528519) 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 7 ways as a sum of consecutive naturals, for example, 37895 + ... + 42012.

It is an arithmetic number, because the mean of its divisors is an integer number (21575160).

Almost surely, 2^164528513 is an apocalyptic number.

It is an amenable number.

164528513 is a deficient number, since it is larger than the sum of its proper divisors (8072767).

164528513 is an equidigital number, since it uses as much as digits as its factorization.

164528513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80007.

The product of its digits is 28800, while the sum is 35.

The square root of 164528513 is about 12826.8668426861. The cubic root of 164528513 is about 547.9577295703.

The spelling of 164528513 in words is "one hundred sixty-four million, five hundred twenty-eight thousand, five hundred thirteen".