18083342655 has 24 divisors (see below), whose sum is σ = 35822241312. Its totient is φ = 8266670784.

The previous prime is 18083342639. The next prime is 18083342659. The reversal of 18083342655 is 55624338081.

18083342655 is a `hidden beast` number, since 180 + 83 + 342 + 6 + 55 = 666.

It is not a de Polignac number, because 18083342655 - 2⁴ = 18083342639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 18083342655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18083342659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28703404 + ... + 28704033.

It is an arithmetic number, because the mean of its divisors is an integer number (1492593388).

Almost surely, 2^18083342655 is an apocalyptic number.

18083342655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18083342655 is a deficient number, since it is larger than the sum of its proper divisors (17738898657).

18083342655 is a wasteful number, since it uses less digits than its factorization.

18083342655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57407455 (or 57407452 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 18083342655 in words is "eighteen billion, eighty-three million, three hundred forty-two thousand, six hundred fifty-five".