260196705 has 40 divisors (see below), whose sum is σ = 471118824. Its totient is φ = 137376000.

The previous prime is 260196647. The next prime is 260196719. The reversal of 260196705 is 507691062.

It can be written as a sum of positive squares in 4 ways, for example, as 55935441 + 204261264 = 7479^2 + 14292^2 .

It is not a de Polignac number, because 260196705 - 2⁶ = 260196641 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 260196705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37725 + ... + 44085.

Almost surely, 2^260196705 is an apocalyptic number.

It is an amenable number.

260196705 is a deficient number, since it is larger than the sum of its proper divisors (210922119).

260196705 is a wasteful number, since it uses less digits than its factorization.

260196705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479 (or 6470 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 260196705 is about 16130.6139064823. The cubic root of 260196705 is about 638.4113470692.

The spelling of 260196705 in words is "two hundred sixty million, one hundred ninety-six thousand, seven hundred five".