264307816 has 8 divisors (see below), whose sum is σ = 495577170. Its totient is φ = 132153904.

The previous prime is 264307753. The next prime is 264307817. The reversal of 264307816 is 618703462.

It can be written as a sum of positive squares in only one way, i.e., 263412900 + 894916 = 16230^2 + 946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (264307817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16519231 + ... + 16519246.

Almost surely, 2^264307816 is an apocalyptic number.

It is an amenable number.

264307816 is a deficient number, since it is larger than the sum of its proper divisors (231269354).

264307816 is a wasteful number, since it uses less digits than its factorization.

264307816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33038483 (or 33038479 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 264307816 is about 16257.5464323495. The cubic root of 264307816 is about 641.7560950151.

The spelling of 264307816 in words is "two hundred sixty-four million, three hundred seven thousand, eight hundred sixteen".