18061187357 has 8 divisors (see below), whose sum is σ = 18647354112. Its totient is φ = 17475242400.

The previous prime is 18061187351. The next prime is 18061187377. The reversal of 18061187357 is 75378116081.

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 18061187357 - 2⁴ = 18061187341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18061187351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118793 + ... + 224129.

It is an arithmetic number, because the mean of its divisors is an integer number (2330919264).

Almost surely, 2^18061187357 is an apocalyptic number.

It is an amenable number.

18061187357 is a deficient number, since it is larger than the sum of its proper divisors (586166755).

18061187357 is a wasteful number, since it uses less digits than its factorization.

18061187357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110899.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 18061187357 in words is "eighteen billion, sixty-one million, one hundred eighty-seven thousand, three hundred fifty-seven".