18336330454 has 16 divisors (see below), whose sum is σ = 29636858160. Its totient is φ = 8458169760.

The previous prime is 18336330449. The next prime is 18336330479. The reversal of 18336330454 is 45403363381.

It is a super-2 number, since 2×18336330454² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 150592 + ... + 243619.

It is an arithmetic number, because the mean of its divisors is an integer number (1852303635).

Almost surely, 2^18336330454 is an apocalyptic number.

18336330454 is a deficient number, since it is larger than the sum of its proper divisors (11300527706).

18336330454 is a wasteful number, since it uses less digits than its factorization.

18336330454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396015.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 18336330454 in words is "eighteen billion, three hundred thirty-six million, three hundred thirty thousand, four hundred fifty-four".