18220048153 has 8 divisors (see below), whose sum is σ = 18680124672. Its totient is φ = 17762989056.

The previous prime is 18220048151. The next prime is 18220048181. The reversal of 18220048153 is 35184002281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18220048153 - 2¹ = 18220048151 is a prime.

It is a super-2 number, since 2×18220048153² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18220048151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742125 + ... + 766282.

It is an arithmetic number, because the mean of its divisors is an integer number (2335015584).

Almost surely, 2^18220048153 is an apocalyptic number.

It is an amenable number.

18220048153 is a deficient number, since it is larger than the sum of its proper divisors (460076519).

18220048153 is a wasteful number, since it uses less digits than its factorization.

18220048153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508711.

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 18220048153 in words is "eighteen billion, two hundred twenty million, forty-eight thousand, one hundred fifty-three".