1166066601 has 16 divisors (see below), whose sum is σ = 1881385344. Its totient is φ = 627128064.

The previous prime is 1166066599. The next prime is 1166066611. The reversal of 1166066601 is 1066606611.

It is not a de Polignac number, because 1166066601 - 2¹ = 1166066599 is a prime.

It is a super-2 number, since 2×1166066601² = 2719422635935386402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166066611) 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, 1632790 + ... + 1633503.

It is an arithmetic number, because the mean of its divisors is an integer number (117586584).

Almost surely, 2^1166066601 is an apocalyptic number.

It is an amenable number.

1166066601 is a deficient number, since it is larger than the sum of its proper divisors (715318743).

1166066601 is a wasteful number, since it uses less digits than its factorization.

1166066601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266320.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1166066601 is about 34147.7173614870. The cubic root of 1166066601 is about 1052.5460814883.

The spelling of 1166066601 in words is "one billion, one hundred sixty-six million, sixty-six thousand, six hundred one".