18105628653 has 16 divisors (see below), whose sum is σ = 30655032960. Its totient is φ = 10346073408.

The previous prime is 18105628603. The next prime is 18105628699. The reversal of 18105628653 is 35682650181.

18105628653 is a `hidden beast` number, since 1 + 8 + 1 + 0 + 562 + 86 + 5 + 3 = 666.

It is not a de Polignac number, because 18105628653 - 2⁸ = 18105628397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18105628599 and 18105628608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18105628603) by changing a digit.

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, 47898300 + ... + 47898677.

It is an arithmetic number, because the mean of its divisors is an integer number (1915939560).

Almost surely, 2^18105628653 is an apocalyptic number.

It is an amenable number.

18105628653 is a deficient number, since it is larger than the sum of its proper divisors (12549404307).

18105628653 is an equidigital number, since it uses as much as digits as its factorization.

18105628653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95796993 (or 95796987 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 18105628653 in words is "eighteen billion, one hundred five million, six hundred twenty-eight thousand, six hundred fifty-three".