18550335052 has 6 divisors (see below), whose sum is σ = 32463086348. Its totient is φ = 9275167524.

The previous prime is 18550335049. The next prime is 18550335071. The reversal of 18550335052 is 25053305581.

It is a super-2 number, since 2×18550335052² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2318791878 + ... + 2318791885.

Almost surely, 2^18550335052 is an apocalyptic number.

It is an amenable number.

18550335052 is a deficient number, since it is larger than the sum of its proper divisors (13912751296).

18550335052 is a wasteful number, since it uses less digits than its factorization.

18550335052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637583767 (or 4637583765 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 18550335052 in words is "eighteen billion, five hundred fifty million, three hundred thirty-five thousand, fifty-two".