206115170704 has 10 divisors (see below), whose sum is σ = 399348143270. Its totient is φ = 103057585344.

The previous prime is 206115170659. The next prime is 206115170707. The reversal of 206115170704 is 407071511602.

It can be written as a sum of positive squares in only one way, i.e., 201152250000 + 4962920704 = 448500^2 + 70448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 206115170704.

It is not an unprimeable number, because it can be changed into a prime (206115170707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6441099069 + ... + 6441099100.

It is an arithmetic number, because the mean of its divisors is an integer number (39934814327).

Almost surely, 2^206115170704 is an apocalyptic number.

It is an amenable number.

206115170704 is a deficient number, since it is larger than the sum of its proper divisors (193232972566).

206115170704 is a wasteful number, since it uses less digits than its factorization.

206115170704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12882198177 (or 12882198171 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 206115170704 in words is "two hundred six billion, one hundred fifteen million, one hundred seventy thousand, seven hundred four".