1165560217168 has 10 divisors (see below), whose sum is σ = 2258272920794. Its totient is φ = 582780108576.

The previous prime is 1165560217127. The next prime is 1165560217201. The reversal of 1165560217168 is 8617120655611.

It can be written as a sum of positive squares in only one way, i.e., 1131559807504 + 34000409664 = 1063748^2 + 184392^2 .

It is a super-3 number, since 3×1165560217168³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36423756771 + ... + 36423756802.

Almost surely, 2^{1165560217168} is an apocalyptic number.

It is an amenable number.

1165560217168 is a deficient number, since it is larger than the sum of its proper divisors (1092712703626).

1165560217168 is an equidigital number, since it uses as much as digits as its factorization.

1165560217168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72847513581 (or 72847513575 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 1165560217168 in words is "one trillion, one hundred sixty-five billion, five hundred sixty million, two hundred seventeen thousand, one hundred sixty-eight".