264243211156 has 12 divisors (see below), whose sum is σ = 462435739668. Its totient is φ = 132118714112.

The previous prime is 264243211123. The next prime is 264243211213. The reversal of 264243211156 is 651112342462.

264243211156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42481332100 + 221761879056 = 206110^2 + 470916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510301 + ... + 888196.

It is an arithmetic number, because the mean of its divisors is an integer number (38536311639).

Almost surely, 2^264243211156 is an apocalyptic number.

It is an amenable number.

264243211156 is a deficient number, since it is larger than the sum of its proper divisors (198192528512).

264243211156 is a wasteful number, since it uses less digits than its factorization.

264243211156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445738 (or 1445736 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The spelling of 264243211156 in words is "two hundred sixty-four billion, two hundred forty-three million, two hundred eleven thousand, one hundred fifty-six".