264080066633 has 4 divisors (see below), whose sum is σ = 265539072708. Its totient is φ = 262621060560.

The previous prime is 264080066611. The next prime is 264080066659. The reversal of 264080066633 is 336660080462.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82490732944 + 181589333689 = 287212^2 + 426133^2 .

It is a cyclic number.

It is not a de Polignac number, because 264080066633 - 2⁸ = 264080066377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264080066683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729502766 + ... + 729503127.

It is an arithmetic number, because the mean of its divisors is an integer number (66384768177).

Almost surely, 2^264080066633 is an apocalyptic number.

It is an amenable number.

264080066633 is a deficient number, since it is larger than the sum of its proper divisors (1459006075).

264080066633 is a wasteful number, since it uses less digits than its factorization.

264080066633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459006074.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 264080066633 in words is "two hundred sixty-four billion, eighty million, sixty-six thousand, six hundred thirty-three".