264423165 has 8 divisors (see below), whose sum is σ = 423077088. Its totient is φ = 141025680.

The previous prime is 264423119. The next prime is 264423167. The reversal of 264423165 is 561324462.

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

It is not a de Polignac number, because 264423165 - 2⁸ = 264422909 is a prime.

It is a super-2 number, since 2×264423165² = 139839220377234450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264423167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8814091 + ... + 8814120.

It is an arithmetic number, because the mean of its divisors is an integer number (52884636).

Almost surely, 2^264423165 is an apocalyptic number.

It is an amenable number.

264423165 is a deficient number, since it is larger than the sum of its proper divisors (158653923).

264423165 is a wasteful number, since it uses less digits than its factorization.

264423165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17628219.

The product of its digits is 34560, while the sum is 33.

The square root of 264423165 is about 16261.0935979103. The cubic root of 264423165 is about 641.8494396600.

The spelling of 264423165 in words is "two hundred sixty-four million, four hundred twenty-three thousand, one hundred sixty-five".