206626153102 has 16 divisors (see below), whose sum is σ = 311025128832. Its totient is φ = 102951313920.

The previous prime is 206626153061. The next prime is 206626153141. The reversal of 206626153102 is 201351626602.

It is a super-2 number, since 2×206626153102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2054883 + ... + 2153089.

It is an arithmetic number, because the mean of its divisors is an integer number (19439070552).

Almost surely, 2^206626153102 is an apocalyptic number.

206626153102 is a deficient number, since it is larger than the sum of its proper divisors (104398975730).

206626153102 is a wasteful number, since it uses less digits than its factorization.

206626153102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101883.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 206626153102 its reverse (201351626602), we get a palindrome (407977779704).

The spelling of 206626153102 in words is "two hundred six billion, six hundred twenty-six million, one hundred fifty-three thousand, one hundred two".