212160245641 has 8 divisors (see below), whose sum is σ = 218216184840. Its totient is φ = 206121247488.

The previous prime is 212160245639. The next prime is 212160245669. The reversal of 212160245641 is 146542061212.

It can be written as a sum of positive squares in 4 ways, for example, as 96910180416 + 115250065225 = 311304^2 + 339485^2 .

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 212160245641 - 2¹ = 212160245639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212160245597 and 212160245606.

It is not an unprimeable number, because it can be changed into a prime (212160245741) 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, 4209856 + ... + 4259953.

It is an arithmetic number, because the mean of its divisors is an integer number (27277023105).

Almost surely, 2^212160245641 is an apocalyptic number.

It is an amenable number.

212160245641 is a deficient number, since it is larger than the sum of its proper divisors (6055939199).

212160245641 is an equidigital number, since it uses as much as digits as its factorization.

212160245641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470523.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 212160245641 in words is "two hundred twelve billion, one hundred sixty million, two hundred forty-five thousand, six hundred forty-one".