1166601340 has 24 divisors (see below), whose sum is σ = 2453608080. Its totient is φ = 465927168.

The previous prime is 1166601329. The next prime is 1166601343. The reversal of 1166601340 is 431066611.

It is a junction number, because it is equal to n+sod(n) for n = 1166601299 and 1166601308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166601343) 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, 31077 + ... + 57436.

It is an arithmetic number, because the mean of its divisors is an integer number (102233670).

Almost surely, 2^1166601340 is an apocalyptic number.

1166601340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166601340 is an abundant number, since it is smaller than the sum of its proper divisors (1287006740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1166601340 is a wasteful number, since it uses less digits than its factorization.

1166601340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89181 (or 89179 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1166601340 is about 34155.5462553302. The cubic root of 1166601340 is about 1052.7069503513.

Adding to 1166601340 its reverse (431066611), we get a palindrome (1597667951).

The spelling of 1166601340 in words is "one billion, one hundred sixty-six million, six hundred one thousand, three hundred forty".