164090325 has 24 divisors (see below), whose sum is σ = 310053568. Its totient is φ = 75012480.

The previous prime is 164090317. The next prime is 164090371. The reversal of 164090325 is 523090461.

It is not a de Polignac number, because 164090325 - 2³ = 164090317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164090292 and 164090301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155752 + ... + 156801.

Almost surely, 2^164090325 is an apocalyptic number.

164090325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164090325 is a deficient number, since it is larger than the sum of its proper divisors (145963243).

164090325 is a wasteful number, since it uses less digits than its factorization.

164090325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312573 (or 312568 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 164090325 is about 12809.7745881807. The cubic root of 164090325 is about 547.4708393384.

The spelling of 164090325 in words is "one hundred sixty-four million, ninety thousand, three hundred twenty-five".