164853065 has 8 divisors (see below), whose sum is σ = 213040968. Its totient is φ = 121737600.

The previous prime is 164853061. The next prime is 164853067. The reversal of 164853065 is 560358461.

It can be written as a sum of positive squares in 4 ways, for example, as 808201 + 164044864 = 899^2 + 12808^2 .

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

It is not a de Polignac number, because 164853065 - 2² = 164853061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164853061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268036 + ... + 1268165.

It is an arithmetic number, because the mean of its divisors is an integer number (26630121).

Almost surely, 2^164853065 is an apocalyptic number.

It is an amenable number.

164853065 is a deficient number, since it is larger than the sum of its proper divisors (48187903).

164853065 is a wasteful number, since it uses less digits than its factorization.

164853065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536219.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 164853065 is about 12839.5118676685. The cubic root of 164853065 is about 548.3177967798.

The spelling of 164853065 in words is "one hundred sixty-four million, eight hundred fifty-three thousand, sixty-five".