1164666 has 16 divisors (see below), whose sum is σ = 2340000. Its totient is φ = 386448.

The previous prime is 1164659. The next prime is 1164671. The reversal of 1164666 is 6664611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (146250).

2^1164666 is an apocalyptic number.

1164666 is an abundant number, since it is smaller than the sum of its proper divisors (1175334).

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

1164666 is a wasteful number, since it uses less digits than its factorization.

1164666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its digits is 5184, while the sum is 30.

The square root of 1164666 is about 1079.1969236428. The cubic root of 1164666 is about 105.2124496728.

Subtracting 1164666 from its reverse (6664611), we obtain a palindrome (5499945).

It can be divided in two parts, 1164 and 666, that added together give a triangular number (1830 = T₆₀).

The spelling of 1164666 in words is "one million, one hundred sixty-four thousand, six hundred sixty-six".