18585350037 has 12 divisors (see below), whose sum is σ = 27000684204. Its totient is φ = 12318612480.

The previous prime is 18585350029. The next prime is 18585350039. The reversal of 18585350037 is 73005358581.

18585350037 is a `hidden beast` number, since 1 + 8 + 585 + 35 + 0 + 0 + 37 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17485830756 + 1099519281 = 132234^2 + 33159^2 .

It is not a de Polignac number, because 18585350037 - 2³ = 18585350029 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18585349974 and 18585350001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18585350039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5966764 + ... + 5969877.

It is an arithmetic number, because the mean of its divisors is an integer number (2250057017).

Almost surely, 2^18585350037 is an apocalyptic number.

It is an amenable number.

18585350037 is a deficient number, since it is larger than the sum of its proper divisors (8415334167).

18585350037 is a wasteful number, since it uses less digits than its factorization.

18585350037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11936820 (or 11936817 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 18585350037 in words is "eighteen billion, five hundred eighty-five million, three hundred fifty thousand, thirty-seven".