1166316201 has 6 divisors (see below), whose sum is σ = 1684678970. Its totient is φ = 777544128.

The previous prime is 1166316181. The next prime is 1166316211. The reversal of 1166316201 is 1026136611.

1166316201 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 31 + 620 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 901440576 + 264875625 = 30024^2 + 16275^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1166316201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166316211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64795336 + ... + 64795353.

Almost surely, 2^1166316201 is an apocalyptic number.

It is an amenable number.

1166316201 is a deficient number, since it is larger than the sum of its proper divisors (518362769).

1166316201 is a wasteful number, since it uses less digits than its factorization.

1166316201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129590695 (or 129590692 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1166316201 is about 34151.3718758120. The cubic root of 1166316201 is about 1052.6211763296.

The spelling of 1166316201 in words is "one billion, one hundred sixty-six million, three hundred sixteen thousand, two hundred one".