206224611641 has 4 divisors (see below), whose sum is σ = 206295652992. Its totient is φ = 206153570292.

The previous prime is 206224611623. The next prime is 206224611667. The reversal of 206224611641 is 146116422602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206224611641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206224611601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35516321 + ... + 35522126.

It is an arithmetic number, because the mean of its divisors is an integer number (51573913248).

Almost surely, 2^206224611641 is an apocalyptic number.

It is an amenable number.

206224611641 is a deficient number, since it is larger than the sum of its proper divisors (71041351).

206224611641 is an equidigital number, since it uses as much as digits as its factorization.

206224611641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71041350.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 206224611641 in words is "two hundred six billion, two hundred twenty-four million, six hundred eleven thousand, six hundred forty-one".