205612400106653 has 8 divisors (see below), whose sum is σ = 205838364553920. Its totient is φ = 205386440508000.

The previous prime is 205612400106577. The next prime is 205612400106691. The reversal of 205612400106653 is 356601004216502.

It is a happy number.

205612400106653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205612400106653 - 2¹⁴ = 205612400090269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205612400106653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205612400106053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87186278 + ... + 89513528.

It is an arithmetic number, because the mean of its divisors is an integer number (25729795569240).

Almost surely, 2^{205612400106653} is an apocalyptic number.

It is an amenable number.

205612400106653 is a deficient number, since it is larger than the sum of its proper divisors (225964447267).

205612400106653 is an equidigital number, since it uses as much as digits as its factorization.

205612400106653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424307.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 205612400106653 in words is "two hundred five trillion, six hundred twelve billion, four hundred million, one hundred six thousand, six hundred fifty-three".