164625265 has 8 divisors (see below), whose sum is σ = 225771840. Its totient is φ = 112885872.

The previous prime is 164625239. The next prime is 164625269. The reversal of 164625265 is 562526461.

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 164625265 - 2¹³ = 164617073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164625269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2351755 + ... + 2351824.

It is an arithmetic number, because the mean of its divisors is an integer number (28221480).

Almost surely, 2^164625265 is an apocalyptic number.

It is an amenable number.

164625265 is a deficient number, since it is larger than the sum of its proper divisors (61146575).

164625265 is an equidigital number, since it uses as much as digits as its factorization.

164625265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703591.

The product of its digits is 86400, while the sum is 37.

The square root of 164625265 is about 12830.6377472049. The cubic root of 164625265 is about 548.0651184893.

The spelling of 164625265 in words is "one hundred sixty-four million, six hundred twenty-five thousand, two hundred sixty-five".