206640062 has 16 divisors (see below), whose sum is σ = 315743184. Its totient is φ = 101400000.

The previous prime is 206640053. The next prime is 206640089. The reversal of 206640062 is 260046602.

206640062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61937 + ... + 65187.

It is an arithmetic number, because the mean of its divisors is an integer number (19733949).

Almost surely, 2^206640062 is an apocalyptic number.

206640062 is a deficient number, since it is larger than the sum of its proper divisors (109103122).

206640062 is a wasteful number, since it uses less digits than its factorization.

206640062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 206640062 is about 14374.9804173780. The cubic root of 206640062 is about 591.2051036326.

Adding to 206640062 its reverse (260046602), we get a palindrome (466686664).

The spelling of 206640062 in words is "two hundred six million, six hundred forty thousand, sixty-two".