164368465 has 16 divisors (see below), whose sum is σ = 209200896. Its totient is φ = 123710400.

The previous prime is 164368459. The next prime is 164368499. The reversal of 164368465 is 564863461.

It is a happy number.

It is not a de Polignac number, because 164368465 - 2¹⁵ = 164335697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4701 + ... + 18730.

It is an arithmetic number, because the mean of its divisors is an integer number (13075056).

Almost surely, 2^164368465 is an apocalyptic number.

It is an amenable number.

164368465 is a deficient number, since it is larger than the sum of its proper divisors (44832431).

164368465 is a wasteful number, since it uses less digits than its factorization.

164368465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23520.

The product of its digits is 414720, while the sum is 43.

The square root of 164368465 is about 12820.6265447520. The cubic root of 164368465 is about 547.7799934248.

The spelling of 164368465 in words is "one hundred sixty-four million, three hundred sixty-eight thousand, four hundred sixty-five".