18468024933136 has 15 divisors (see below), whose sum is σ = 35781831613173. Its totient is φ = 9234003871680.

The previous prime is 18468024933133. The next prime is 18468024933151. The reversal of 18468024933136 is 63133942086481.

The square root of 18468024933136 is 4297444.

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

It can be written as a sum of positive squares in only one way, i.e., 18253025790736 + 214999142400 = 4272356^2 + 463680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18468024933131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16652596 + ... + 17726956.

Almost surely, 2^{18468024933136} is an apocalyptic number.

18468024933136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18468024933136 is the 4297444-th square number.

It is an amenable number.

18468024933136 is a deficient number, since it is larger than the sum of its proper divisors (17313806680037).

18468024933136 is an frugal number, since it uses more digits than its factorization.

18468024933136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148730 (or 1074363 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 18468024933136 in words is "eighteen trillion, four hundred sixty-eight billion, twenty-four million, nine hundred thirty-three thousand, one hundred thirty-six".