164710565 has 8 divisors (see below), whose sum is σ = 198251808. Its totient is φ = 131369040.

The previous prime is 164710549. The next prime is 164710573. The reversal of 164710565 is 565017461.

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

It is not a de Polignac number, because 164710565 - 2⁴ = 164710549 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 7 ways as a sum of consecutive naturals, for example, 48107 + ... + 51416.

It is an arithmetic number, because the mean of its divisors is an integer number (24781476).

Almost surely, 2^164710565 is an apocalyptic number.

It is an amenable number.

164710565 is a deficient number, since it is larger than the sum of its proper divisors (33541243).

164710565 is an equidigital number, since it uses as much as digits as its factorization.

164710565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99859.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 164710565 is about 12833.9613915579. The cubic root of 164710565 is about 548.1597614805.

The spelling of 164710565 in words is "one hundred sixty-four million, seven hundred ten thousand, five hundred sixty-five".