164073065 has 8 divisors (see below), whose sum is σ = 212032968. Its totient is φ = 121161600.

The previous prime is 164073043. The next prime is 164073073. The reversal of 164073065 is 560370461.

It can be written as a sum of positive squares in 4 ways, for example, as 17081689 + 146991376 = 4133^2 + 12124^2 .

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

It is not a de Polignac number, because 164073065 - 2²⁰ = 163024489 is a prime.

It is a Duffinian 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, 1262036 + ... + 1262165.

It is an arithmetic number, because the mean of its divisors is an integer number (26504121).

Almost surely, 2^164073065 is an apocalyptic number.

It is an amenable number.

164073065 is a deficient number, since it is larger than the sum of its proper divisors (47959903).

164073065 is a wasteful number, since it uses less digits than its factorization.

164073065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524219.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 164073065 is about 12809.1008661810. The cubic root of 164073065 is about 547.4516432483.

The spelling of 164073065 in words is "one hundred sixty-four million, seventy-three thousand, sixty-five".