164352665 has 8 divisors (see below), whose sum is σ = 201810048. Its totient is φ = 128424240.

The previous prime is 164352637. The next prime is 164352697. The reversal of 164352665 is 566253461.

It is a happy number.

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

It is not a de Polignac number, because 164352665 - 2¹⁴ = 164336281 is a prime.

It is a Duffinian 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, 382001 + ... + 382430.

It is an arithmetic number, because the mean of its divisors is an integer number (25226256).

Almost surely, 2^164352665 is an apocalyptic number.

It is an amenable number.

164352665 is a deficient number, since it is larger than the sum of its proper divisors (37457383).

164352665 is an equidigital number, since it uses as much as digits as its factorization.

164352665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764479.

The product of its digits is 129600, while the sum is 38.

The square root of 164352665 is about 12820.0103354093. The cubic root of 164352665 is about 547.7624409881.

The spelling of 164352665 in words is "one hundred sixty-four million, three hundred fifty-two thousand, six hundred sixty-five".