260606640206 has 16 divisors (see below), whose sum is σ = 429971591088. Its totient is φ = 118457562520.

The previous prime is 260606640191. The next prime is 260606640209. The reversal of 260606640206 is 602046606062.

It is a self number, because there is not a number n which added to its sum of digits gives 260606640206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260606640209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48946745 + ... + 48952068.

It is an arithmetic number, because the mean of its divisors is an integer number (26873224443).

Almost surely, 2^260606640206 is an apocalyptic number.

260606640206 is a deficient number, since it is larger than the sum of its proper divisors (169364950882).

260606640206 is an equidigital number, since it uses as much as digits as its factorization.

260606640206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97898848 (or 97898826 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 260606640206 in words is "two hundred sixty billion, six hundred six million, six hundred forty thousand, two hundred six".