1166245604512 has 48 divisors (see below), whose sum is σ = 2388774592512. Its totient is φ = 559868924160.

The previous prime is 1166245604509. The next prime is 1166245604519. The reversal of 1166245604512 is 2154065426611.

It is not an unprimeable number, because it can be changed into a prime (1166245604519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4502563 + ... + 4754530.

It is an arithmetic number, because the mean of its divisors is an integer number (49766137344).

Almost surely, 2^{1166245604512} is an apocalyptic number.

It is an amenable number.

1166245604512 is an abundant number, since it is smaller than the sum of its proper divisors (1222528988000).

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

1166245604512 is a wasteful number, since it uses less digits than its factorization.

1166245604512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9257261 (or 9257253 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 1166245604512 in words is "one trillion, one hundred sixty-six billion, two hundred forty-five million, six hundred four thousand, five hundred twelve".