164534065 has 16 divisors (see below), whose sum is σ = 206385408. Its totient is φ = 125684416.

The previous prime is 164534063. The next prime is 164534089. The reversal of 164534065 is 560435461.

It is a cyclic number.

It is not a de Polignac number, because 164534065 - 2¹ = 164534063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164534065.

It is not an unprimeable number, because it can be changed into a prime (164534063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101199 + ... + 102811.

It is an arithmetic number, because the mean of its divisors is an integer number (12899088).

Almost surely, 2^164534065 is an apocalyptic number.

It is an amenable number.

164534065 is a deficient number, since it is larger than the sum of its proper divisors (41851343).

164534065 is a wasteful number, since it uses less digits than its factorization.

164534065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 164534065 is about 12827.0832615993. The cubic root of 164534065 is about 547.9638930958.

The spelling of 164534065 in words is "one hundred sixty-four million, five hundred thirty-four thousand, sixty-five".