164813365 has 8 divisors (see below), whose sum is σ = 200562048. Its totient is φ = 129993360.

The previous prime is 164813347. The next prime is 164813387. The reversal of 164813365 is 563318461.

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

It is not a de Polignac number, because 164813365 - 2⁵ = 164813333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231777 + ... + 232486.

It is an arithmetic number, because the mean of its divisors is an integer number (25070256).

Almost surely, 2^164813365 is an apocalyptic number.

It is an amenable number.

164813365 is a deficient number, since it is larger than the sum of its proper divisors (35748683).

164813365 is an equidigital number, since it uses as much as digits as its factorization.

164813365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464339.

The product of its digits is 51840, while the sum is 37.

The square root of 164813365 is about 12837.9657656499. The cubic root of 164813365 is about 548.2737778546.

The spelling of 164813365 in words is "one hundred sixty-four million, eight hundred thirteen thousand, three hundred sixty-five".