264687064 has 16 divisors (see below), whose sum is σ = 501203520. Its totient is φ = 131032800.

The previous prime is 264687037. The next prime is 264687079. The reversal of 264687064 is 460786462.

It is a self number, because there is not a number n which added to its sum of digits gives 264687064.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162984 + ... + 164599.

It is an arithmetic number, because the mean of its divisors is an integer number (31325220).

Almost surely, 2^264687064 is an apocalyptic number.

It is an amenable number.

264687064 is a deficient number, since it is larger than the sum of its proper divisors (236516456).

264687064 is a wasteful number, since it uses less digits than its factorization.

264687064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327690 (or 327686 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 264687064 is about 16269.2060039819. The cubic root of 264687064 is about 642.0628943665.

The spelling of 264687064 in words is "two hundred sixty-four million, six hundred eighty-seven thousand, sixty-four".