18068724002644 has 48 divisors (see below), whose sum is σ = 36475772256000. Its totient is φ = 7671267254016.

The previous prime is 18068724002603. The next prime is 18068724002683. The reversal of 18068724002644 is 44620042786081.

It is a junction number, because it is equal to n+sod(n) for n = 18068724002591 and 18068724002600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15929472 + ... + 17026024.

It is an arithmetic number, because the mean of its divisors is an integer number (759911922000).

Almost surely, 2^{18068724002644} is an apocalyptic number.

18068724002644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18068724002644 is an abundant number, since it is smaller than the sum of its proper divisors (18407048253356).

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

18068724002644 is a wasteful number, since it uses less digits than its factorization.

18068724002644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102072 (or 1102070 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 52.

The spelling of 18068724002644 in words is "eighteen trillion, sixty-eight billion, seven hundred twenty-four million, two thousand, six hundred forty-four".