1000663178801 has 8 divisors (see below), whose sum is σ = 1175604294144. Its totient is φ = 839717352720.

The previous prime is 1000663178707. The next prime is 1000663178803. The reversal of 1000663178801 is 1088713660001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000663178801 - 2¹⁰ = 1000663177777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000663178803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3498822161 + ... + 3498822446.

It is an arithmetic number, because the mean of its divisors is an integer number (146950536768).

Almost surely, 2^{1000663178801} is an apocalyptic number.

1000663178801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000663178801 is a deficient number, since it is larger than the sum of its proper divisors (174941115343).

1000663178801 is a wasteful number, since it uses less digits than its factorization.

1000663178801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997644631.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 1000663178801 in words is "one trillion, six hundred sixty-three million, one hundred seventy-eight thousand, eight hundred one".