1162217675844 has 81 divisors (see below), whose sum is σ = 2951973582103. Its totient is φ = 385549469184.

The previous prime is 1162217675813. The next prime is 1162217675887. The reversal of 1162217675844 is 4485767122611.

It is a happy number.

The square root of 1162217675844 is 1078062.

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

1162217675844 is a `hidden beast` number, since 1 + 1 + 622 + 1 + 7 + 6 + 7 + 5 + 8 + 4 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67917572100 + 1094300103744 = 260610^2 + 1046088^2 .

It is a super-2 number, since 2×1162217675844² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2283335062 + ... + 2283335570.

Almost surely, 2^{1162217675844} is an apocalyptic number.

1162217675844 is the 1078062-nd square number.

It is an amenable number.

1162217675844 is an abundant number, since it is smaller than the sum of its proper divisors (1789755906259).

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

1162217675844 is an frugal number, since it uses more digits than its factorization.

1162217675844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734 (or 867 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 1162217675844 in words is "one trillion, one hundred sixty-two billion, two hundred seventeen million, six hundred seventy-five thousand, eight hundred forty-four".