18550005350 has 24 divisors (see below), whose sum is σ = 34537164480. Its totient is φ = 7412657120.

The previous prime is 18550005343. The next prime is 18550005361. The reversal of 18550005350 is 5350005581.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 132470 + ... + 233769.

It is an arithmetic number, because the mean of its divisors is an integer number (1439048520).

Almost surely, 2^18550005350 is an apocalyptic number.

18550005350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18550005350 is a deficient number, since it is larger than the sum of its proper divisors (15987159130).

18550005350 is a wasteful number, since it uses less digits than its factorization.

18550005350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367264 (or 367259 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 18550005350 in words is "eighteen billion, five hundred fifty million, five thousand, three hundred fifty".