18093656448 has 128 divisors (see below), whose sum is σ = 61030272000. Its totient is φ = 5169609216.

The previous prime is 18093656443. The next prime is 18093656467. The reversal of 18093656448 is 84465639081.

18093656448 is a `hidden beast` number, since 1 + 8 + 0 + 9 + 36 + 564 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 18093656394 and 18093656403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18093656443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349768 + ... + 398151.

It is an arithmetic number, because the mean of its divisors is an integer number (476799000).

Almost surely, 2^18093656448 is an apocalyptic number.

18093656448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18093656448 is an abundant number, since it is smaller than the sum of its proper divisors (42936615552).

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

18093656448 is an equidigital number, since it uses as much as digits as its factorization.

18093656448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747949 (or 747931 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

It can be divided in two parts, 18093 and 656448, that added together give a triangular number (674541 = T₁₁₆₁).

The spelling of 18093656448 in words is "eighteen billion, ninety-three million, six hundred fifty-six thousand, four hundred forty-eight".