1166090 has 16 divisors (see below), whose sum is σ = 2171880. Its totient is φ = 450240.

The previous prime is 1166089. The next prime is 1166093. The reversal of 1166090 is 906611.

It can be written as a sum of positive squares in 4 ways, for example, as 657721 + 508369 = 811^2 + 713^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1166093) 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, 1721 + ... + 2300.

2^1166090 is an apocalyptic number.

1166090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166090 is a deficient number, since it is larger than the sum of its proper divisors (1005790).

1166090 is a wasteful number, since it uses less digits than its factorization.

1166090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1166090 is about 1079.8564719443. The cubic root of 1166090 is about 105.2553121784.

The spelling of 1166090 in words is "one million, one hundred sixty-six thousand, ninety".