18318075153 has 16 divisors (see below), whose sum is σ = 27963388800. Its totient is φ = 10448672256.

The previous prime is 18318075143. The next prime is 18318075157. The reversal of 18318075153 is 35157081381.

It is not a de Polignac number, because 18318075153 - 2⁹ = 18318074641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18318075157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771328 + ... + 794721.

It is an arithmetic number, because the mean of its divisors is an integer number (1747711800).

Almost surely, 2^18318075153 is an apocalyptic number.

It is an amenable number.

18318075153 is a deficient number, since it is larger than the sum of its proper divisors (9645313647).

18318075153 is a wasteful number, since it uses less digits than its factorization.

18318075153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566616.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 18318075153 in words is "eighteen billion, three hundred eighteen million, seventy-five thousand, one hundred fifty-three".