206262621164 has 12 divisors (see below), whose sum is σ = 361170810000. Its totient is φ = 103070961168.

The previous prime is 206262621119. The next prime is 206262621193. The reversal of 206262621164 is 461126262602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15079664 + ... + 15093335.

It is an arithmetic number, because the mean of its divisors is an integer number (30097567500).

Almost surely, 2^206262621164 is an apocalyptic number.

It is an amenable number.

206262621164 is a deficient number, since it is larger than the sum of its proper divisors (154908188836).

206262621164 is a wasteful number, since it uses less digits than its factorization.

206262621164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30174712 (or 30174710 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 206262621164 its reverse (461126262602), we get a palindrome (667388883766).

The spelling of 206262621164 in words is "two hundred six billion, two hundred sixty-two million, six hundred twenty-one thousand, one hundred sixty-four".