1663243060045 has 16 divisors (see below), whose sum is σ = 2281043560320. Its totient is φ = 1140497273664.

The previous prime is 1663243060033. The next prime is 1663243060097. The reversal of 1663243060045 is 5400603423661.

It is a happy number.

It is not a de Polignac number, because 1663243060045 - 2⁵ = 1663243060013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4091451 + ... + 4479559.

It is an arithmetic number, because the mean of its divisors is an integer number (142565222520).

Almost surely, 2^{1663243060045} is an apocalyptic number.

It is an amenable number.

1663243060045 is a deficient number, since it is larger than the sum of its proper divisors (617800500275).

1663243060045 is a wasteful number, since it uses less digits than its factorization.

1663243060045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510564.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 1663243060045 in words is "one trillion, six hundred sixty-three billion, two hundred forty-three million, sixty thousand, forty-five".