18288285357 has 8 divisors (see below), whose sum is σ = 24693043840. Its totient is φ = 12037858560.

The previous prime is 18288285349. The next prime is 18288285383. The reversal of 18288285357 is 75358288281.

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

It is not a de Polignac number, because 18288285357 - 2³ = 18288285349 is a prime.

It is a super-2 number, since 2×18288285357² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18288285297 and 18288285306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18288285157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38582644 + ... + 38583117.

It is an arithmetic number, because the mean of its divisors is an integer number (3086630480).

Almost surely, 2^18288285357 is an apocalyptic number.

It is an amenable number.

18288285357 is a deficient number, since it is larger than the sum of its proper divisors (6404758483).

18288285357 is an equidigital number, since it uses as much as digits as its factorization.

18288285357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77165843.

The product of its digits is 8601600, while the sum is 57.

The spelling of 18288285357 in words is "eighteen billion, two hundred eighty-eight million, two hundred eighty-five thousand, three hundred fifty-seven".