11666430 has 48 divisors (see below), whose sum is σ = 31462704. Its totient is φ = 3110400.

The previous prime is 11666429. The next prime is 11666461. The reversal of 11666430 is 3466611.

It is a super-2 number, since 2×11666430² = 272211177889800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11666394 and 11666403.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (655473).

Almost surely, 2^11666430 is an apocalyptic number.

11666430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11666430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15731352).

11666430 is an abundant number, since it is smaller than the sum of its proper divisors (19796274).

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

11666430 is an equidigital number, since it uses as much as digits as its factorization.

11666430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823 (or 4811 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 11666430 is about 3415.6156106916. The cubic root of 11666430 is about 226.8015369006.

The spelling of 11666430 in words is "eleven million, six hundred sixty-six thousand, four hundred thirty".