164285743 has 4 divisors (see below), whose sum is σ = 167385528. Its totient is φ = 161185960.

The previous prime is 164285741. The next prime is 164285747. The reversal of 164285743 is 347582461.

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

It is a cyclic number.

It is not a de Polignac number, because 164285743 - 2¹ = 164285741 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164285696 and 164285705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164285741) 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, 1549813 + ... + 1549918.

It is an arithmetic number, because the mean of its divisors is an integer number (41846382).

Almost surely, 2^164285743 is an apocalyptic number.

164285743 is a deficient number, since it is larger than the sum of its proper divisors (3099785).

164285743 is an equidigital number, since it uses as much as digits as its factorization.

164285743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099784.

The product of its digits is 161280, while the sum is 40.

The square root of 164285743 is about 12817.4000093623. The cubic root of 164285743 is about 547.6880839448.

The spelling of 164285743 in words is "one hundred sixty-four million, two hundred eighty-five thousand, seven hundred forty-three".