264415066 has 4 divisors (see below), whose sum is σ = 396622602. Its totient is φ = 132207532.

The previous prime is 264415051. The next prime is 264415121. The reversal of 264415066 is 660514462.

264415066 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., 155525841 + 108889225 = 12471^2 + 10435^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66103765 + ... + 66103768.

Almost surely, 2^264415066 is an apocalyptic number.

264415066 is a deficient number, since it is larger than the sum of its proper divisors (132207536).

264415066 is a wasteful number, since it uses less digits than its factorization.

264415066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132207535.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 264415066 is about 16260.8445660119. The cubic root of 264415066 is about 641.8428865381.

The spelling of 264415066 in words is "two hundred sixty-four million, four hundred fifteen thousand, sixty-six".