264576668 has 6 divisors (see below), whose sum is σ = 463009176. Its totient is φ = 132288332.

The previous prime is 264576647. The next prime is 264576679. The reversal of 264576668 is 866675462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33072080 + ... + 33072087.

It is an arithmetic number, because the mean of its divisors is an integer number (77168196).

Almost surely, 2^264576668 is an apocalyptic number.

It is an amenable number.

264576668 is a deficient number, since it is larger than the sum of its proper divisors (198432508).

264576668 is a wasteful number, since it uses less digits than its factorization.

264576668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66144171 (or 66144169 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 264576668 is about 16265.8128601063. The cubic root of 264576668 is about 641.9736178313.

The spelling of 264576668 in words is "two hundred sixty-four million, five hundred seventy-six thousand, six hundred sixty-eight".