1166654 has 12 divisors (see below), whose sum is σ = 1811232. Its totient is φ = 563580.

The previous prime is 1166639. The next prime is 1166663. The reversal of 1166654 is 4566611.

It is a super-2 number, since 2×1166654² = 2722163111432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1619 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (150936).

2^1166654 is an apocalyptic number.

1166654 is a deficient number, since it is larger than the sum of its proper divisors (644578).

1166654 is an equidigital number, since it uses as much as digits as its factorization.

1166654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 640 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1166654 is about 1080.1175861914. The cubic root of 1166654 is about 105.2722789728.

The spelling of 1166654 in words is "one million, one hundred sixty-six thousand, six hundred fifty-four".