1166613 has 16 divisors (see below), whose sum is σ = 1804416. Its totient is φ = 656640.

The previous prime is 1166609. The next prime is 1166617. The reversal of 1166613 is 3166611.

It is an interprime number because it is at equal distance from previous prime (1166609) and next prime (1166617).

It is not a de Polignac number, because 1166613 - 2² = 1166609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153 + ... + 1913.

It is an arithmetic number, because the mean of its divisors is an integer number (112776).

2^1166613 is an apocalyptic number.

It is an amenable number.

1166613 is a deficient number, since it is larger than the sum of its proper divisors (637803).

1166613 is an equidigital number, since it uses as much as digits as its factorization.

1166613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its digits is 648, while the sum is 24.

The square root of 1166613 is about 1080.0986066096. The cubic root of 1166613 is about 105.2710457554.

The spelling of 1166613 in words is "one million, one hundred sixty-six thousand, six hundred thirteen".