264501510631216 has 80 divisors (see below), whose sum is σ = 538440844500000. Its totient is φ = 125704321763328.

The previous prime is 264501510631157. The next prime is 264501510631229. The reversal of 264501510631216 is 612136015105462.

It is a super-2 number, since 2×264501510631216² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4527966 + ... + 23441533.

It is an arithmetic number, because the mean of its divisors is an integer number (6730510556250).

Almost surely, 2^{264501510631216} is an apocalyptic number.

It is an amenable number.

264501510631216 is an abundant number, since it is smaller than the sum of its proper divisors (273939333868784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264501510631216 is a wasteful number, since it uses less digits than its factorization.

264501510631216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27969854 (or 27969848 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

Adding to 264501510631216 its reverse (612136015105462), we get a palindrome (876637525736678).

The spelling of 264501510631216 in words is "two hundred sixty-four trillion, five hundred one billion, five hundred ten million, six hundred thirty-one thousand, two hundred sixteen".