264971161 has 8 divisors (see below), whose sum is σ = 326118464. Its totient is φ = 209647440.

The previous prime is 264971153. The next prime is 264971191. The reversal of 264971161 is 161179462.

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

It is a cyclic number.

It is not a de Polignac number, because 264971161 - 2³ = 264971153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264971161.

It is not an unprimeable number, because it can be changed into a prime (264971111) 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, 1455795 + ... + 1455976.

It is an arithmetic number, because the mean of its divisors is an integer number (40764808).

Almost surely, 2^264971161 is an apocalyptic number.

It is an amenable number.

264971161 is a deficient number, since it is larger than the sum of its proper divisors (61147303).

264971161 is a wasteful number, since it uses less digits than its factorization.

264971161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911791.

The product of its digits is 18144, while the sum is 37.

The square root of 264971161 is about 16277.9347891555. The cubic root of 264971161 is about 642.2925277013.

The spelling of 264971161 in words is "two hundred sixty-four million, nine hundred seventy-one thousand, one hundred sixty-one".