2868165796356 has 135 divisors (see below), whose sum is σ = 8722756328517. Its totient is φ = 819414973440.

The previous prime is 2868165796339. The next prime is 2868165796367. The reversal of 2868165796356 is 6536975618682.

The square root of 2868165796356 is 1693566.

It is a perfect power (a square), and thus also a powerful number.

2868165796356 is a `hidden beast` number, since 2 + 8 + 6 + 8 + 16 + 579 + 6 + 35 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 395472445956 + 2472693350400 = 628866^2 + 1572480^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 213382596 + ... + 213396036.

Almost surely, 2^{2868165796356} is an apocalyptic number.

2868165796356 is the 1693566-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2868165796356

2868165796356 is an abundant number, since it is smaller than the sum of its proper divisors (5854590532161).

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

2868165796356 is an frugal number, since it uses more digits than its factorization.

2868165796356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26912 (or 13453 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 72.

The spelling of 2868165796356 in words is "two trillion, eight hundred sixty-eight billion, one hundred sixty-five million, seven hundred ninety-six thousand, three hundred fifty-six".