18598413376 has 21 divisors (see below), whose sum is σ = 36908391639. Its totient is φ = 9298661184.

The previous prime is 18598413347. The next prime is 18598413401. The reversal of 18598413376 is 67331489581.

The square root of 18598413376 is 136376.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1082485 + ... + 1099531.

It is an arithmetic number, because the mean of its divisors is an integer number (1757542459).

Almost surely, 2^18598413376 is an apocalyptic number.

18598413376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18598413376 is the 136376-th square number.

It is an amenable number.

18598413376 is a deficient number, since it is larger than the sum of its proper divisors (18309978263).

18598413376 is an frugal number, since it uses more digits than its factorization.

18598413376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34106 (or 17049 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 18598413376 in words is "eighteen billion, five hundred ninety-eight million, four hundred thirteen thousand, three hundred seventy-six".