164704525 has 12 divisors (see below), whose sum is σ = 204531552. Its totient is φ = 131571440.

The previous prime is 164704513. The next prime is 164704531. The reversal of 164704525 is 525407461.

It is not a de Polignac number, because 164704525 - 2¹³ = 164696333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14142 + ... + 23008.

It is an arithmetic number, because the mean of its divisors is an integer number (17044296).

Almost surely, 2^164704525 is an apocalyptic number.

It is an amenable number.

164704525 is a deficient number, since it is larger than the sum of its proper divisors (39827027).

164704525 is an equidigital number, since it uses as much as digits as its factorization.

164704525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9620 (or 9615 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 164704525 is about 12833.7260762415. The cubic root of 164704525 is about 548.1530609886.

The spelling of 164704525 in words is "one hundred sixty-four million, seven hundred four thousand, five hundred twenty-five".