18468655 has 16 divisors (see below), whose sum is σ = 23696064. Its totient is φ = 13784320.

The previous prime is 18468631. The next prime is 18468673. The reversal of 18468655 is 55686481.

It is not a de Polignac number, because 18468655 - 2¹⁵ = 18435887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (1481004).

Almost surely, 2^18468655 is an apocalyptic number.

18468655 is a deficient number, since it is larger than the sum of its proper divisors (5227409).

18468655 is a wasteful number, since it uses less digits than its factorization.

18468655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986.

The product of its digits is 230400, while the sum is 43.

The square root of 18468655 is about 4297.5173065387. The cubic root of 18468655 is about 264.3291683392.

It can be divided in two parts, 1846 and 8655, that added together give a palindrome (10501).

The spelling of 18468655 in words is "eighteen million, four hundred sixty-eight thousand, six hundred fifty-five".