18448158976 has 81 divisors (see below), whose sum is σ = 39935942319. Its totient is φ = 8501495808.

The previous prime is 18448158947. The next prime is 18448158997. The reversal of 18448158976 is 67985184481.

The square root of 18448158976 is 135824.

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

It can be written as a sum of positive squares in 4 ways, for example, as 7161221376 + 11286937600 = 84624^2 + 106240^2 .

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 8 ways as a sum of consecutive naturals, for example, 28251066 + ... + 28251718.

Almost surely, 2^18448158976 is an apocalyptic number.

18448158976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18448158976 is the 135824-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18448158976

18448158976 is an abundant number, since it is smaller than the sum of its proper divisors (21487783343).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18448158976 is an frugal number, since it uses more digits than its factorization.

18448158976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 668 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 61.

The spelling of 18448158976 in words is "eighteen billion, four hundred forty-eight million, one hundred fifty-eight thousand, nine hundred seventy-six".