1166039386 has 24 divisors (see below), whose sum is σ = 1895894100. Its totient is φ = 537394176.

The previous prime is 1166039351. The next prime is 1166039387. The reversal of 1166039386 is 6839306611.

It can be written as a sum of positive squares in 2 ways, for example, as 1106826361 + 59213025 = 33269^2 + 7695^2 .

It is a super-3 number, since 3×1166039386³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166039387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4890 + ... + 48538.

Almost surely, 2^1166039386 is an apocalyptic number.

1166039386 is a deficient number, since it is larger than the sum of its proper divisors (729854714).

1166039386 is a wasteful number, since it uses less digits than its factorization.

1166039386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43726 (or 43707 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1166039386 is about 34147.3188698615. The cubic root of 1166039386 is about 1052.5378929153.

The spelling of 1166039386 in words is "one billion, one hundred sixty-six million, thirty-nine thousand, three hundred eighty-six".