1968511080673 has 16 divisors (see below), whose sum is σ = 2050369234560. Its totient is φ = 1887590880000.

The previous prime is 1968511080649. The next prime is 1968511080713. The reversal of 1968511080673 is 3760801158691.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1968511080673 - 2³³ = 1959921146081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1968511080643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18939898 + ... + 19043548.

It is an arithmetic number, because the mean of its divisors is an integer number (128148077160).

Almost surely, 2^{1968511080673} is an apocalyptic number.

It is an amenable number.

1968511080673 is a deficient number, since it is larger than the sum of its proper divisors (81858153887).

1968511080673 is a wasteful number, since it uses less digits than its factorization.

1968511080673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108168.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 1968511080673 in words is "one trillion, nine hundred sixty-eight billion, five hundred eleven million, eighty thousand, six hundred seventy-three".