18480106 has 4 divisors (see below), whose sum is σ = 27720162. Its totient is φ = 9240052.

The previous prime is 18480101. The next prime is 18480113. The reversal of 18480106 is 60108481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60108481 = 17 ⋅3535793.

It can be written as a sum of positive squares in only one way, i.e., 9865881 + 8614225 = 3141^2 + 2935^2 .

It is not an unprimeable number, because it can be changed into a prime (18480101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4620025 + ... + 4620028.

Almost surely, 2^18480106 is an apocalyptic number.

18480106 is a deficient number, since it is larger than the sum of its proper divisors (9240056).

18480106 is an equidigital number, since it uses as much as digits as its factorization.

18480106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9240055.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18480106 is about 4298.8493809390. The cubic root of 18480106 is about 264.3837871506.

Adding to 18480106 its reverse (60108481), we get a palindrome (78588587).

The spelling of 18480106 in words is "eighteen million, four hundred eighty thousand, one hundred six".