18606116 has 12 divisors (see below), whose sum is σ = 33440988. Its totient is φ = 9051552.

The previous prime is 18606089. The next prime is 18606121. The reversal of 18606116 is 61160681.

It can be written as a sum of positive squares in 2 ways, for example, as 14212900 + 4393216 = 3770^2 + 2096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62711 + ... + 63006.

It is an arithmetic number, because the mean of its divisors is an integer number (2786749).

Almost surely, 2^18606116 is an apocalyptic number.

It is an amenable number.

18606116 is a deficient number, since it is larger than the sum of its proper divisors (14834872).

18606116 is a wasteful number, since it uses less digits than its factorization.

18606116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125758 (or 125756 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 18606116 is about 4313.4807290632. The cubic root of 18606116 is about 264.9833429663.

Adding to 18606116 its reverse (61160681), we get a palindrome (79766797).

The spelling of 18606116 in words is "eighteen million, six hundred six thousand, one hundred sixteen".