164705325 has 24 divisors (see below), whose sum is σ = 281101056. Its totient is φ = 85008000.

The previous prime is 164705311. The next prime is 164705329. The reversal of 164705325 is 523507461.

It is not a de Polignac number, because 164705325 - 2¹⁰ = 164704301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164705329) 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 23 ways as a sum of consecutive naturals, for example, 33096 + ... + 37745.

It is an arithmetic number, because the mean of its divisors is an integer number (11712544).

Almost surely, 2^164705325 is an apocalyptic number.

164705325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164705325 is a deficient number, since it is larger than the sum of its proper divisors (116395731).

164705325 is a wasteful number, since it uses less digits than its factorization.

164705325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70885 (or 70880 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 164705325 is about 12833.7572440809. The cubic root of 164705325 is about 548.1539484804.

The spelling of 164705325 in words is "one hundred sixty-four million, seven hundred five thousand, three hundred twenty-five".