1166065650601 has 8 divisors (see below), whose sum is σ = 1171822788608. Its totient is φ = 1160310690000.

The previous prime is 1166065650587. The next prime is 1166065650677. The reversal of 1166065650601 is 1060565606611.

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 1166065650601 - 2⁵ = 1166065650569 is a prime.

It is a super-2 number, since 2×1166065650601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166065650301) 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, 534616 + ... + 1618006.

It is an arithmetic number, because the mean of its divisors is an integer number (146477848576).

Almost surely, 2^{1166065650601} is an apocalyptic number.

It is an amenable number.

1166065650601 is a deficient number, since it is larger than the sum of its proper divisors (5757138007).

1166065650601 is a wasteful number, since it uses less digits than its factorization.

1166065650601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088703.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 1166065650601 in words is "one trillion, one hundred sixty-six billion, sixty-five million, six hundred fifty thousand, six hundred one".