164170753 has 4 divisors (see below), whose sum is σ = 165796308. Its totient is φ = 162545200.

The previous prime is 164170729. The next prime is 164170759. The reversal of 164170753 is 357071461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156950784 + 7219969 = 12528^2 + 2687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164170753 is a prime.

It is a super-3 number, since 3×164170753³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164170759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812626 + ... + 812827.

It is an arithmetic number, because the mean of its divisors is an integer number (41449077).

Almost surely, 2^164170753 is an apocalyptic number.

It is an amenable number.

164170753 is a deficient number, since it is larger than the sum of its proper divisors (1625555).

164170753 is a wasteful number, since it uses less digits than its factorization.

164170753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625554.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 164170753 is about 12812.9135250340. The cubic root of 164170753 is about 547.5602713685.

The spelling of 164170753 in words is "one hundred sixty-four million, one hundred seventy thousand, seven hundred fifty-three".