11661677 has 8 divisors (see below), whose sum is σ = 12518136. Its totient is φ = 10824192.

The previous prime is 11661659. The next prime is 11661691. The reversal of 11661677 is 77616611.

It can be written as a sum of positive squares in 4 ways, for example, as 546121 + 11115556 = 739^2 + 3334^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11661677 - 2⁶ = 11661613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11661607) 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, 3458 + ... + 5939.

It is an arithmetic number, because the mean of its divisors is an integer number (1564767).

Almost surely, 2^11661677 is an apocalyptic number.

11661677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11661677 is a deficient number, since it is larger than the sum of its proper divisors (856459).

11661677 is an equidigital number, since it uses as much as digits as its factorization.

11661677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487.

The product of its digits is 10584, while the sum is 35.

The square root of 11661677 is about 3414.9197647968. The cubic root of 11661677 is about 226.7707324434.

The spelling of 11661677 in words is "eleven million, six hundred sixty-one thousand, six hundred seventy-seven".