11662662 has 32 divisors (see below), whose sum is σ = 25764480. Its totient is φ = 3489920.

The previous prime is 11662661. The next prime is 11662687. The reversal of 11662662 is 26626611.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4414 + ... + 6542.

It is an arithmetic number, because the mean of its divisors is an integer number (805140).

Almost surely, 2^11662662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11662662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12882240).

11662662 is an abundant number, since it is smaller than the sum of its proper divisors (14101818).

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

11662662 is a wasteful number, since it uses less digits than its factorization.

11662662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228.

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

The square root of 11662662 is about 3415.0639818311. The cubic root of 11662662 is about 226.7771169706. Note that the first 3 decimals are identical.

It can be divided in two parts, 1166 and 2662, that added together give a triangular number (3828 = T₈₇).

The spelling of 11662662 in words is "eleven million, six hundred sixty-two thousand, six hundred sixty-two".