1166863224280 has 48 divisors (see below), whose sum is σ = 2842934528880. Its totient is φ = 430841803392.

The previous prime is 1166863224269. The next prime is 1166863224299. The reversal of 1166863224280 is 824223686611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86299692 + ... + 86313211.

It is an arithmetic number, because the mean of its divisors is an integer number (59227802685).

Almost surely, 2^{1166863224280} is an apocalyptic number.

1166863224280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166863224280 is an abundant number, since it is smaller than the sum of its proper divisors (1676071304600).

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

1166863224280 is a wasteful number, since it uses less digits than its factorization.

1166863224280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172612940 (or 172612923 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 1166863224280 in words is "one trillion, one hundred sixty-six billion, eight hundred sixty-three million, two hundred twenty-four thousand, two hundred eighty".