1166785360250 has 16 divisors (see below), whose sum is σ = 2184222194856. Its totient is φ = 466714144000.

The previous prime is 1166785360229. The next prime is 1166785360261. The reversal of 1166785360250 is 520635876611.

It can be written as a sum of positive squares in 4 ways, for example, as 593813571649 + 572971788601 = 770593^2 + 756949^2 .

It is a super-2 number, since 2×1166785360250² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 2333570471 + ... + 2333570970.

Almost surely, 2^{1166785360250} is an apocalyptic number.

1166785360250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166785360250 is a deficient number, since it is larger than the sum of its proper divisors (1017436834606).

1166785360250 is an equidigital number, since it uses as much as digits as its factorization.

1166785360250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667141458 (or 4667141448 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 1166785360250 in words is "one trillion, one hundred sixty-six billion, seven hundred eighty-five million, three hundred sixty thousand, two hundred fifty".