264164242 has 4 divisors (see below), whose sum is σ = 396246366. Its totient is φ = 132082120.

The previous prime is 264164171. The next prime is 264164249. The reversal of 264164242 is 242461462.

It is a happy number.

264164242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 223472601 + 40691641 = 14949^2 + 6379^2 .

It is not an unprimeable number, because it can be changed into a prime (264164249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66041059 + ... + 66041062.

Almost surely, 2^264164242 is an apocalyptic number.

264164242 is a deficient number, since it is larger than the sum of its proper divisors (132082124).

264164242 is a wasteful number, since it uses less digits than its factorization.

264164242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132082123.

The product of its digits is 18432, while the sum is 31.

The square root of 264164242 is about 16253.1302215912. The cubic root of 264164242 is about 641.6398717171.

The spelling of 264164242 in words is "two hundred sixty-four million, one hundred sixty-four thousand, two hundred forty-two".