206401640062 has 4 divisors (see below), whose sum is σ = 309602460096. Its totient is φ = 103200820030.

The previous prime is 206401640059. The next prime is 206401640087. The reversal of 206401640062 is 260046104602.

206401640062 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51600410014 + ... + 51600410017.

It is an arithmetic number, because the mean of its divisors is an integer number (77400615024).

Almost surely, 2^206401640062 is an apocalyptic number.

206401640062 is a deficient number, since it is larger than the sum of its proper divisors (103200820034).

206401640062 is a wasteful number, since it uses less digits than its factorization.

206401640062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103200820033.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 206401640062 its reverse (260046104602), we get a palindrome (466447744664).

The spelling of 206401640062 in words is "two hundred six billion, four hundred one million, six hundred forty thousand, sixty-two".