264264169 has 4 divisors (see below), whose sum is σ = 284592196. Its totient is φ = 243936144.

The previous prime is 264264157. The next prime is 264264199. The reversal of 264264169 is 961462462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70358544 + 193905625 = 8388^2 + 13925^2 .

It is a cyclic number.

It is not a de Polignac number, because 264264169 - 2⁵ = 264264137 is a prime.

It is a super-2 number, since 2×264264169² = 139671102034521122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264264149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10163994 + ... + 10164019.

It is an arithmetic number, because the mean of its divisors is an integer number (71148049).

Almost surely, 2^264264169 is an apocalyptic number.

It is an amenable number.

264264169 is a deficient number, since it is larger than the sum of its proper divisors (20328027).

264264169 is a wasteful number, since it uses less digits than its factorization.

264264169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20328026.

The product of its digits is 124416, while the sum is 40.

The square root of 264264169 is about 16256.2040156981. The cubic root of 264264169 is about 641.7207671782.

The spelling of 264264169 in words is "two hundred sixty-four million, two hundred sixty-four thousand, one hundred sixty-nine".