206403244641 has 48 divisors (see below), whose sum is σ = 328945256640. Its totient is φ = 123673392000.

The previous prime is 206403244603. The next prime is 206403244669. The reversal of 206403244641 is 146442304602.

206403244641 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 0 + 3 + 2 + 4 + 4 + 641 = 666.

It is not a de Polignac number, because 206403244641 - 2⁷ = 206403244513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206403244596 and 206403244605.

It is not an unprimeable number, because it can be changed into a prime (206423244641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4953906 + ... + 4995396.

It is an arithmetic number, because the mean of its divisors is an integer number (6853026180).

Almost surely, 2^206403244641 is an apocalyptic number.

It is an amenable number.

206403244641 is a deficient number, since it is larger than the sum of its proper divisors (122542011999).

206403244641 is a wasteful number, since it uses less digits than its factorization.

206403244641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42078 (or 42075 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 206403244641 in words is "two hundred six billion, four hundred three million, two hundred forty-four thousand, six hundred forty-one".