1117656067661 has 8 divisors (see below), whose sum is σ = 1278049882944. Its totient is φ = 957444418080.

The previous prime is 1117656067631. The next prime is 1117656067667. The reversal of 1117656067661 is 1667606567111.

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 1117656067661 - 2¹⁸ = 1117655805517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117656067667) 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, 45528275 + ... + 45552816.

It is an arithmetic number, because the mean of its divisors is an integer number (159756235368).

Almost surely, 2^{1117656067661} is an apocalyptic number.

It is an amenable number.

1117656067661 is a deficient number, since it is larger than the sum of its proper divisors (160393815283).

1117656067661 is an equidigital number, since it uses as much as digits as its factorization.

1117656067661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91082851.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 1117656067661 in words is "one trillion, one hundred seventeen billion, six hundred fifty-six million, sixty-seven thousand, six hundred sixty-one".