1080163688897 has 4 divisors (see below), whose sum is σ = 1080495743700. Its totient is φ = 1079831634096.

The previous prime is 1080163688887. The next prime is 1080163688921. The reversal of 1080163688897 is 7988863610801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1076688468496 + 3475220401 = 1037636^2 + 58951^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080163688897 - 2⁸ = 1080163688641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080163688887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166022522 + ... + 166029027.

It is an arithmetic number, because the mean of its divisors is an integer number (270123935925).

Almost surely, 2^{1080163688897} is an apocalyptic number.

It is an amenable number.

1080163688897 is a deficient number, since it is larger than the sum of its proper divisors (332054803).

1080163688897 is an equidigital number, since it uses as much as digits as its factorization.

1080163688897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332054802.

The product of its (nonzero) digits is 27869184, while the sum is 65.

The spelling of 1080163688897 in words is "one trillion, eighty billion, one hundred sixty-three million, six hundred eighty-eight thousand, eight hundred ninety-seven".