1163516103665 has 16 divisors (see below), whose sum is σ = 1500414803712. Its totient is φ = 862983669504.

The previous prime is 1163516103661. The next prime is 1163516103691. The reversal of 1163516103665 is 5663016153611.

It is a cyclic number.

It is not a de Polignac number, because 1163516103665 - 2² = 1163516103661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163516103661) 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, 102146729 + ... + 102158118.

It is an arithmetic number, because the mean of its divisors is an integer number (93775925232).

Almost surely, 2^{1163516103665} is an apocalyptic number.

It is an amenable number.

1163516103665 is a deficient number, since it is larger than the sum of its proper divisors (336898700047).

1163516103665 is a wasteful number, since it uses less digits than its factorization.

1163516103665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204304936.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 1163516103665 in words is "one trillion, one hundred sixty-three billion, five hundred sixteen million, one hundred three thousand, six hundred sixty-five".