206415615106 has 32 divisors (see below), whose sum is σ = 323658897408. Its totient is φ = 98634125520.

The previous prime is 206415615089. The next prime is 206415615127. The reversal of 206415615106 is 601516514602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21947401 + ... + 21956803.

It is an arithmetic number, because the mean of its divisors is an integer number (10114340544).

Almost surely, 2^206415615106 is an apocalyptic number.

206415615106 is a deficient number, since it is larger than the sum of its proper divisors (117243282302).

206415615106 is a wasteful number, since it uses less digits than its factorization.

206415615106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14926.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 206415615106 in words is "two hundred six billion, four hundred fifteen million, six hundred fifteen thousand, one hundred six".