264816648631 has 8 divisors (see below), whose sum is σ = 282914881280. Its totient is φ = 247134467448.

The previous prime is 264816648619. The next prime is 264816648653. The reversal of 264816648631 is 136846618462.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264816648631 - 2⁵ = 264816648599 is a prime.

It is a super-2 number, since 2×264816648631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264816648601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104011551 + ... + 104014096.

It is an arithmetic number, because the mean of its divisors is an integer number (35364360160).

Almost surely, 2^264816648631 is an apocalyptic number.

264816648631 is a deficient number, since it is larger than the sum of its proper divisors (18098232649).

264816648631 is a wasteful number, since it uses less digits than its factorization.

264816648631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208025733.

The product of its digits is 7962624, while the sum is 55.

The spelling of 264816648631 in words is "two hundred sixty-four billion, eight hundred sixteen million, six hundred forty-eight thousand, six hundred thirty-one".