8168212892736 has 84 divisors (see below), whose sum is σ = 25213684959372. Its totient is φ = 2513296272384.

The previous prime is 8168212892717. The next prime is 8168212892783. The reversal of 8168212892736 is 6372982128618.

8168212892736 is a `hidden beast` number, since 8 + 1 + 6 + 82 + 1 + 289 + 273 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2799464385600 + 5368748507136 = 1673160^2 + 2317056^2 .

It is a super-2 number, since 2×8168212892736² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545412711 + ... + 545427686.

It is an arithmetic number, because the mean of its divisors is an integer number (300162916183).

Almost surely, 2^{8168212892736} is an apocalyptic number.

It is an amenable number.

8168212892736 is an abundant number, since it is smaller than the sum of its proper divisors (17045472066636).

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

8168212892736 is a wasteful number, since it uses less digits than its factorization.

8168212892736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090840428 (or 1090840415 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 8168212892736 in words is "eight trillion, one hundred sixty-eight billion, two hundred twelve million, eight hundred ninety-two thousand, seven hundred thirty-six".