18341966 has 4 divisors (see below), whose sum is σ = 27512952. Its totient is φ = 9170982.

The previous prime is 18341957. The next prime is 18341969. The reversal of 18341966 is 66914381.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18341969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4585490 + ... + 4585493.

It is an arithmetic number, because the mean of its divisors is an integer number (6878238).

Almost surely, 2^18341966 is an apocalyptic number.

18341966 is a deficient number, since it is larger than the sum of its proper divisors (9170986).

18341966 is an equidigital number, since it uses as much as digits as its factorization.

18341966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170985.

The product of its digits is 31104, while the sum is 38.

The square root of 18341966 is about 4282.7521525300. The cubic root of 18341966 is about 263.7233768415.

The spelling of 18341966 in words is "eighteen million, three hundred forty-one thousand, nine hundred sixty-six".